Home / 86,661.59-129,999.74-24,332.09

Finding the Fourth Proportional to 86,661.59, 129,999.74 and 24,332.09

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Solution

The fourth proportional to 86,661.59, 129,999.74 and 24,332.09 is: 36,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,661.59 : 129,999.74 = 24,332.09 : x
  2. Step 2: Convert to fraction form
    86,661.59/129,999.74 = 24,332.09/x
  3. Step 3: Cross multiply
    86,661.59x = 129,999.74 × 24,332.09
  4. Step 4: Simplify right side
    86,661.59x = 3,163,164,602.00
  5. Step 5: Solve for x
    x = 3,163,164,602.00/86,661.59
  6. Step 6: Final answer
    x = 36,500.19

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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.