Home / 86,059.20-129,094.47-22,878.39

Finding the Fourth Proportional to 86,059.20, 129,094.47 and 22,878.39

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Solution

The fourth proportional to 86,059.20, 129,094.47 and 22,878.39 is: 34,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,059.20 : 129,094.47 = 22,878.39 : x
  2. Step 2: Convert to fraction form
    86,059.20/129,094.47 = 22,878.39/x
  3. Step 3: Cross multiply
    86,059.20x = 129,094.47 × 22,878.39
  4. Step 4: Simplify right side
    86,059.20x = 2,953,473,631.50
  5. Step 5: Solve for x
    x = 2,953,473,631.50/86,059.20
  6. Step 6: Final answer
    x = 34,319.09

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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.