Home / 62,385.08-86,189.12-59,312.64

Finding the Fourth Proportional to 62,385.08, 86,189.12 and 59,312.64

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Solution

The fourth proportional to 62,385.08, 86,189.12 and 59,312.64 is: 81,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,385.08 : 86,189.12 = 59,312.64 : x
  2. Step 2: Convert to fraction form
    62,385.08/86,189.12 = 59,312.64/x
  3. Step 3: Cross multiply
    62,385.08x = 86,189.12 × 59,312.64
  4. Step 4: Simplify right side
    62,385.08x = 5,112,103,949.91
  5. Step 5: Solve for x
    x = 5,112,103,949.91/62,385.08
  6. Step 6: Final answer
    x = 81,944.34

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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.