Home / 61,403.14-84,531.63-58,581.91

Finding the Fourth Proportional to 61,403.14, 84,531.63 and 58,581.91

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Solution

The fourth proportional to 61,403.14, 84,531.63 and 58,581.91 is: 80,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,403.14 : 84,531.63 = 58,581.91 : x
  2. Step 2: Convert to fraction form
    61,403.14/84,531.63 = 58,581.91/x
  3. Step 3: Cross multiply
    61,403.14x = 84,531.63 × 58,581.91
  4. Step 4: Simplify right side
    61,403.14x = 4,952,024,340.81
  5. Step 5: Solve for x
    x = 4,952,024,340.81/61,403.14
  6. Step 6: Final answer
    x = 80,647.74

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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.