Home / 57,188.16-78,949.52-44,412.68

Finding the Fourth Proportional to 57,188.16, 78,949.52 and 44,412.68

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Solution

The fourth proportional to 57,188.16, 78,949.52 and 44,412.68 is: 61,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188.16 : 78,949.52 = 44,412.68 : x
  2. Step 2: Convert to fraction form
    57,188.16/78,949.52 = 44,412.68/x
  3. Step 3: Cross multiply
    57,188.16x = 78,949.52 × 44,412.68
  4. Step 4: Simplify right side
    57,188.16x = 3,506,359,767.91
  5. Step 5: Solve for x
    x = 3,506,359,767.91/57,188.16
  6. Step 6: Final answer
    x = 61,312.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.