Home / 86,308.17-119,088.23-54,520.65

Finding the Fourth Proportional to 86,308.17, 119,088.23 and 54,520.65

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Solution

The fourth proportional to 86,308.17, 119,088.23 and 54,520.65 is: 75,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,308.17 : 119,088.23 = 54,520.65 : x
  2. Step 2: Convert to fraction form
    86,308.17/119,088.23 = 54,520.65/x
  3. Step 3: Cross multiply
    86,308.17x = 119,088.23 × 54,520.65
  4. Step 4: Simplify right side
    86,308.17x = 6,492,767,434.35
  5. Step 5: Solve for x
    x = 6,492,767,434.35/86,308.17
  6. Step 6: Final answer
    x = 75,227.73

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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.