Home / 60,419.62-83,345.49-56,143.19

Finding the Fourth Proportional to 60,419.62, 83,345.49 and 56,143.19

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Solution

The fourth proportional to 60,419.62, 83,345.49 and 56,143.19 is: 77,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,419.62 : 83,345.49 = 56,143.19 : x
  2. Step 2: Convert to fraction form
    60,419.62/83,345.49 = 56,143.19/x
  3. Step 3: Cross multiply
    60,419.62x = 83,345.49 × 56,143.19
  4. Step 4: Simplify right side
    60,419.62x = 4,679,281,680.71
  5. Step 5: Solve for x
    x = 4,679,281,680.71/60,419.62
  6. Step 6: Final answer
    x = 77,446.39

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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.