Home / 74,423.79-102,706.65-42,602.94

Finding the Fourth Proportional to 74,423.79, 102,706.65 and 42,602.94

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Solution

The fourth proportional to 74,423.79, 102,706.65 and 42,602.94 is: 58,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,423.79 : 102,706.65 = 42,602.94 : x
  2. Step 2: Convert to fraction form
    74,423.79/102,706.65 = 42,602.94/x
  3. Step 3: Cross multiply
    74,423.79x = 102,706.65 × 42,602.94
  4. Step 4: Simplify right side
    74,423.79x = 4,375,605,247.55
  5. Step 5: Solve for x
    x = 4,375,605,247.55/74,423.79
  6. Step 6: Final answer
    x = 58,793.10

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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.