Home / 74,053.60-102,152.41-45,387.14

Finding the Fourth Proportional to 74,053.60, 102,152.41 and 45,387.14

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Solution

The fourth proportional to 74,053.60, 102,152.41 and 45,387.14 is: 62,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,053.60 : 102,152.41 = 45,387.14 : x
  2. Step 2: Convert to fraction form
    74,053.60/102,152.41 = 45,387.14/x
  3. Step 3: Cross multiply
    74,053.60x = 102,152.41 × 45,387.14
  4. Step 4: Simplify right side
    74,053.60x = 4,636,405,109.78
  5. Step 5: Solve for x
    x = 4,636,405,109.78/74,053.60
  6. Step 6: Final answer
    x = 62,608.78

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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.