Home / 86,488.50-119,292.20-56,217.36

Finding the Fourth Proportional to 86,488.50, 119,292.20 and 56,217.36

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Solution

The fourth proportional to 86,488.50, 119,292.20 and 56,217.36 is: 77,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,488.50 : 119,292.20 = 56,217.36 : x
  2. Step 2: Convert to fraction form
    86,488.50/119,292.20 = 56,217.36/x
  3. Step 3: Cross multiply
    86,488.50x = 119,292.20 × 56,217.36
  4. Step 4: Simplify right side
    86,488.50x = 6,706,292,552.59
  5. Step 5: Solve for x
    x = 6,706,292,552.59/86,488.50
  6. Step 6: Final answer
    x = 77,539.70

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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.