Home / 86,045.87-129,068.53-22,872.35

Finding the Fourth Proportional to 86,045.87, 129,068.53 and 22,872.35

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Solution

The fourth proportional to 86,045.87, 129,068.53 and 22,872.35 is: 34,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,045.87 : 129,068.53 = 22,872.35 : x
  2. Step 2: Convert to fraction form
    86,045.87/129,068.53 = 22,872.35/x
  3. Step 3: Cross multiply
    86,045.87x = 129,068.53 × 22,872.35
  4. Step 4: Simplify right side
    86,045.87x = 2,952,100,592.15
  5. Step 5: Solve for x
    x = 2,952,100,592.15/86,045.87
  6. Step 6: Final answer
    x = 34,308.45

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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.