Home / 86,238.63-129,357.95-23,909.13

Finding the Fourth Proportional to 86,238.63, 129,357.95 and 23,909.13

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Solution

The fourth proportional to 86,238.63, 129,357.95 and 23,909.13 is: 35,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,238.63 : 129,357.95 = 23,909.13 : x
  2. Step 2: Convert to fraction form
    86,238.63/129,357.95 = 23,909.13/x
  3. Step 3: Cross multiply
    86,238.63x = 129,357.95 × 23,909.13
  4. Step 4: Simplify right side
    86,238.63x = 3,092,836,043.08
  5. Step 5: Solve for x
    x = 3,092,836,043.08/86,238.63
  6. Step 6: Final answer
    x = 35,863.70

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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.