Home / 74,051.90-102,192.10-45,371.62

Finding the Fourth Proportional to 74,051.90, 102,192.10 and 45,371.62

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Solution

The fourth proportional to 74,051.90, 102,192.10 and 45,371.62 is: 62,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,051.90 : 102,192.10 = 45,371.62 : x
  2. Step 2: Convert to fraction form
    74,051.90/102,192.10 = 45,371.62/x
  3. Step 3: Cross multiply
    74,051.90x = 102,192.10 × 45,371.62
  4. Step 4: Simplify right side
    74,051.90x = 4,636,620,759.29
  5. Step 5: Solve for x
    x = 4,636,620,759.29/74,051.90
  6. Step 6: Final answer
    x = 62,613.13

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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.