Home / 86,331.04-119,204.40-67,521.76

Finding the Fourth Proportional to 86,331.04, 119,204.40 and 67,521.76

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Solution

The fourth proportional to 86,331.04, 119,204.40 and 67,521.76 is: 93,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,331.04 : 119,204.40 = 67,521.76 : x
  2. Step 2: Convert to fraction form
    86,331.04/119,204.40 = 67,521.76/x
  3. Step 3: Cross multiply
    86,331.04x = 119,204.40 × 67,521.76
  4. Step 4: Simplify right side
    86,331.04x = 8,048,890,887.74
  5. Step 5: Solve for x
    x = 8,048,890,887.74/86,331.04
  6. Step 6: Final answer
    x = 93,232.87

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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.