Home / 72,094.32-99,489.96-40,263.24

Finding the Fourth Proportional to 72,094.32, 99,489.96 and 40,263.24

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Solution

The fourth proportional to 72,094.32, 99,489.96 and 40,263.24 is: 55,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,094.32 : 99,489.96 = 40,263.24 : x
  2. Step 2: Convert to fraction form
    72,094.32/99,489.96 = 40,263.24/x
  3. Step 3: Cross multiply
    72,094.32x = 99,489.96 × 40,263.24
  4. Step 4: Simplify right side
    72,094.32x = 4,005,788,137.07
  5. Step 5: Solve for x
    x = 4,005,788,137.07/72,094.32
  6. Step 6: Final answer
    x = 55,563.16

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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.