Home / 74,429.64-102,717.51-42,597.87

Finding the Fourth Proportional to 74,429.64, 102,717.51 and 42,597.87

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Solution

The fourth proportional to 74,429.64, 102,717.51 and 42,597.87 is: 58,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429.64 : 102,717.51 = 42,597.87 : x
  2. Step 2: Convert to fraction form
    74,429.64/102,717.51 = 42,597.87/x
  3. Step 3: Cross multiply
    74,429.64x = 102,717.51 × 42,597.87
  4. Step 4: Simplify right side
    74,429.64x = 4,375,547,137.70
  5. Step 5: Solve for x
    x = 4,375,547,137.70/74,429.64
  6. Step 6: Final answer
    x = 58,787.70

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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.