Home / 86,617.12-129,915.60-23,434.24

Finding the Fourth Proportional to 86,617.12, 129,915.60 and 23,434.24

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Solution

The fourth proportional to 86,617.12, 129,915.60 and 23,434.24 is: 35,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,617.12 : 129,915.60 = 23,434.24 : x
  2. Step 2: Convert to fraction form
    86,617.12/129,915.60 = 23,434.24/x
  3. Step 3: Cross multiply
    86,617.12x = 129,915.60 × 23,434.24
  4. Step 4: Simplify right side
    86,617.12x = 3,044,473,350.14
  5. Step 5: Solve for x
    x = 3,044,473,350.14/86,617.12
  6. Step 6: Final answer
    x = 35,148.63

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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.