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Finding the Fourth Proportional to 73,657.39, 101,643.91 and 43,033.32

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Solution

The fourth proportional to 73,657.39, 101,643.91 and 43,033.32 is: 59,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,657.39 : 101,643.91 = 43,033.32 : x
  2. Step 2: Convert to fraction form
    73,657.39/101,643.91 = 43,033.32/x
  3. Step 3: Cross multiply
    73,657.39x = 101,643.91 × 43,033.32
  4. Step 4: Simplify right side
    73,657.39x = 4,374,075,039.56
  5. Step 5: Solve for x
    x = 4,374,075,039.56/73,657.39
  6. Step 6: Final answer
    x = 59,384.06

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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.