Home / 86,478.48-129,718.08-24,149.52

Finding the Fourth Proportional to 86,478.48, 129,718.08 and 24,149.52

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Solution

The fourth proportional to 86,478.48, 129,718.08 and 24,149.52 is: 36,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,478.48 : 129,718.08 = 24,149.52 : x
  2. Step 2: Convert to fraction form
    86,478.48/129,718.08 = 24,149.52/x
  3. Step 3: Cross multiply
    86,478.48x = 129,718.08 × 24,149.52
  4. Step 4: Simplify right side
    86,478.48x = 3,132,629,367.32
  5. Step 5: Solve for x
    x = 3,132,629,367.32/86,478.48
  6. Step 6: Final answer
    x = 36,224.38

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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.