Home / 45,155.10-62,344.18-28,166.16

Finding the Fourth Proportional to 45,155.10, 62,344.18 and 28,166.16

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Solution

The fourth proportional to 45,155.10, 62,344.18 and 28,166.16 is: 38,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,155.10 : 62,344.18 = 28,166.16 : x
  2. Step 2: Convert to fraction form
    45,155.10/62,344.18 = 28,166.16/x
  3. Step 3: Cross multiply
    45,155.10x = 62,344.18 × 28,166.16
  4. Step 4: Simplify right side
    45,155.10x = 1,755,996,148.95
  5. Step 5: Solve for x
    x = 1,755,996,148.95/45,155.10
  6. Step 6: Final answer
    x = 38,888.10

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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.