Home / 86,541.68-129,766.08-44,404.40

Finding the Fourth Proportional to 86,541.68, 129,766.08 and 44,404.40

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Solution

The fourth proportional to 86,541.68, 129,766.08 and 44,404.40 is: 66,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,541.68 : 129,766.08 = 44,404.40 : x
  2. Step 2: Convert to fraction form
    86,541.68/129,766.08 = 44,404.40/x
  3. Step 3: Cross multiply
    86,541.68x = 129,766.08 × 44,404.40
  4. Step 4: Simplify right side
    86,541.68x = 5,762,184,922.75
  5. Step 5: Solve for x
    x = 5,762,184,922.75/86,541.68
  6. Step 6: Final answer
    x = 66,582.77

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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.