Home / 85,147.16-117,498.12-62,580.92

Finding the Fourth Proportional to 85,147.16, 117,498.12 and 62,580.92

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Solution

The fourth proportional to 85,147.16, 117,498.12 and 62,580.92 is: 86,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,147.16 : 117,498.12 = 62,580.92 : x
  2. Step 2: Convert to fraction form
    85,147.16/117,498.12 = 62,580.92/x
  3. Step 3: Cross multiply
    85,147.16x = 117,498.12 × 62,580.92
  4. Step 4: Simplify right side
    85,147.16x = 7,353,140,447.87
  5. Step 5: Solve for x
    x = 7,353,140,447.87/85,147.16
  6. Step 6: Final answer
    x = 86,358.02

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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.