Home / 74,340.32-102,586.56-40,807.04

Finding the Fourth Proportional to 74,340.32, 102,586.56 and 40,807.04

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Solution

The fourth proportional to 74,340.32, 102,586.56 and 40,807.04 is: 56,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,340.32 : 102,586.56 = 40,807.04 : x
  2. Step 2: Convert to fraction form
    74,340.32/102,586.56 = 40,807.04/x
  3. Step 3: Cross multiply
    74,340.32x = 102,586.56 × 40,807.04
  4. Step 4: Simplify right side
    74,340.32x = 4,186,253,857.38
  5. Step 5: Solve for x
    x = 4,186,253,857.38/74,340.32
  6. Step 6: Final answer
    x = 56,312.02

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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.