Home / 86,095.12-129,073.56-48,632.08

Finding the Fourth Proportional to 86,095.12, 129,073.56 and 48,632.08

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Solution

The fourth proportional to 86,095.12, 129,073.56 and 48,632.08 is: 72,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,095.12 : 129,073.56 = 48,632.08 : x
  2. Step 2: Convert to fraction form
    86,095.12/129,073.56 = 48,632.08/x
  3. Step 3: Cross multiply
    86,095.12x = 129,073.56 × 48,632.08
  4. Step 4: Simplify right side
    86,095.12x = 6,277,115,695.80
  5. Step 5: Solve for x
    x = 6,277,115,695.80/86,095.12
  6. Step 6: Final answer
    x = 72,909.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.