Home / 86,073.79-129,100.41-22,898.55

Finding the Fourth Proportional to 86,073.79, 129,100.41 and 22,898.55

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Solution

The fourth proportional to 86,073.79, 129,100.41 and 22,898.55 is: 34,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,073.79 : 129,100.41 = 22,898.55 : x
  2. Step 2: Convert to fraction form
    86,073.79/129,100.41 = 22,898.55/x
  3. Step 3: Cross multiply
    86,073.79x = 129,100.41 × 22,898.55
  4. Step 4: Simplify right side
    86,073.79x = 2,956,212,193.41
  5. Step 5: Solve for x
    x = 2,956,212,193.41/86,073.79
  6. Step 6: Final answer
    x = 34,345.09

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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.