Home / 113,459.63-156,572.97-62,471.30

Finding the Fourth Proportional to 113,459.63, 156,572.97 and 62,471.30

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Solution

The fourth proportional to 113,459.63, 156,572.97 and 62,471.30 is: 86,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,459.63 : 156,572.97 = 62,471.30 : x
  2. Step 2: Convert to fraction form
    113,459.63/156,572.97 = 62,471.30/x
  3. Step 3: Cross multiply
    113,459.63x = 156,572.97 × 62,471.30
  4. Step 4: Simplify right side
    113,459.63x = 9,781,316,980.76
  5. Step 5: Solve for x
    x = 9,781,316,980.76/113,459.63
  6. Step 6: Final answer
    x = 86,209.67

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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.