Home / 86,244.19-129,357.19-23,070.69

Finding the Fourth Proportional to 86,244.19, 129,357.19 and 23,070.69

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Solution

The fourth proportional to 86,244.19, 129,357.19 and 23,070.69 is: 34,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,244.19 : 129,357.19 = 23,070.69 : x
  2. Step 2: Convert to fraction form
    86,244.19/129,357.19 = 23,070.69/x
  3. Step 3: Cross multiply
    86,244.19x = 129,357.19 × 23,070.69
  4. Step 4: Simplify right side
    86,244.19x = 2,984,359,629.76
  5. Step 5: Solve for x
    x = 2,984,359,629.76/86,244.19
  6. Step 6: Final answer
    x = 34,603.60

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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.