Home / 74,342.04-102,592.10-40,350.53

Finding the Fourth Proportional to 74,342.04, 102,592.10 and 40,350.53

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Solution

The fourth proportional to 74,342.04, 102,592.10 and 40,350.53 is: 55,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342.04 : 102,592.10 = 40,350.53 : x
  2. Step 2: Convert to fraction form
    74,342.04/102,592.10 = 40,350.53/x
  3. Step 3: Cross multiply
    74,342.04x = 102,592.10 × 40,350.53
  4. Step 4: Simplify right side
    74,342.04x = 4,139,644,894.10
  5. Step 5: Solve for x
    x = 4,139,644,894.10/74,342.04
  6. Step 6: Final answer
    x = 55,683.77

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1.5x scale

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.