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Finding the Fourth Proportional to 73,657.83, 101,643.02 and 43,436.22

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Solution

The fourth proportional to 73,657.83, 101,643.02 and 43,436.22 is: 59,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,657.83 : 101,643.02 = 43,436.22 : x
  2. Step 2: Convert to fraction form
    73,657.83/101,643.02 = 43,436.22/x
  3. Step 3: Cross multiply
    73,657.83x = 101,643.02 × 43,436.22
  4. Step 4: Simplify right side
    73,657.83x = 4,414,988,361.00
  5. Step 5: Solve for x
    x = 4,414,988,361.00/73,657.83
  6. Step 6: Final answer
    x = 59,939.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.