Home / 113,559.75-156,711.19-64,501.02

Finding the Fourth Proportional to 113,559.75, 156,711.19 and 64,501.02

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Solution

The fourth proportional to 113,559.75, 156,711.19 and 64,501.02 is: 89,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,559.75 : 156,711.19 = 64,501.02 : x
  2. Step 2: Convert to fraction form
    113,559.75/156,711.19 = 64,501.02/x
  3. Step 3: Cross multiply
    113,559.75x = 156,711.19 × 64,501.02
  4. Step 4: Simplify right side
    113,559.75x = 10,108,031,600.41
  5. Step 5: Solve for x
    x = 10,108,031,600.41/113,559.75
  6. Step 6: Final answer
    x = 89,010.69

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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.