Home / 86,887.01-119,876.18-48,640.92

Finding the Fourth Proportional to 86,887.01, 119,876.18 and 48,640.92

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Solution

The fourth proportional to 86,887.01, 119,876.18 and 48,640.92 is: 67,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,887.01 : 119,876.18 = 48,640.92 : x
  2. Step 2: Convert to fraction form
    86,887.01/119,876.18 = 48,640.92/x
  3. Step 3: Cross multiply
    86,887.01x = 119,876.18 × 48,640.92
  4. Step 4: Simplify right side
    86,887.01x = 5,830,887,438.08
  5. Step 5: Solve for x
    x = 5,830,887,438.08/86,887.01
  6. Step 6: Final answer
    x = 67,108.86

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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.