Home / 86,451.59-129,677.40-23,271.86

Finding the Fourth Proportional to 86,451.59, 129,677.40 and 23,271.86

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Solution

The fourth proportional to 86,451.59, 129,677.40 and 23,271.86 is: 34,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,451.59 : 129,677.40 = 23,271.86 : x
  2. Step 2: Convert to fraction form
    86,451.59/129,677.40 = 23,271.86/x
  3. Step 3: Cross multiply
    86,451.59x = 129,677.40 × 23,271.86
  4. Step 4: Simplify right side
    86,451.59x = 3,017,834,622.16
  5. Step 5: Solve for x
    x = 3,017,834,622.16/86,451.59
  6. Step 6: Final answer
    x = 34,907.80

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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.