Home / 86,281.34-119,073.65-52,292.79

Finding the Fourth Proportional to 86,281.34, 119,073.65 and 52,292.79

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Solution

The fourth proportional to 86,281.34, 119,073.65 and 52,292.79 is: 72,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,281.34 : 119,073.65 = 52,292.79 : x
  2. Step 2: Convert to fraction form
    86,281.34/119,073.65 = 52,292.79/x
  3. Step 3: Cross multiply
    86,281.34x = 119,073.65 × 52,292.79
  4. Step 4: Simplify right side
    86,281.34x = 6,226,693,112.52
  5. Step 5: Solve for x
    x = 6,226,693,112.52/86,281.34
  6. Step 6: Final answer
    x = 72,167.32

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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.