Home / 86,337.06-129,524.02-48,915.06

Finding the Fourth Proportional to 86,337.06, 129,524.02 and 48,915.06

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Solution

The fourth proportional to 86,337.06, 129,524.02 and 48,915.06 is: 73,383.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,337.06 : 129,524.02 = 48,915.06 : x
  2. Step 2: Convert to fraction form
    86,337.06/129,524.02 = 48,915.06/x
  3. Step 3: Cross multiply
    86,337.06x = 129,524.02 × 48,915.06
  4. Step 4: Simplify right side
    86,337.06x = 6,335,675,209.74
  5. Step 5: Solve for x
    x = 6,335,675,209.74/86,337.06
  6. Step 6: Final answer
    x = 73,383.03

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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.