Home / 118,499.12-177,712.55-62,308.74

Finding the Fourth Proportional to 118,499.12, 177,712.55 and 62,308.74

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Solution

The fourth proportional to 118,499.12, 177,712.55 and 62,308.74 is: 93,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,499.12 : 177,712.55 = 62,308.74 : x
  2. Step 2: Convert to fraction form
    118,499.12/177,712.55 = 62,308.74/x
  3. Step 3: Cross multiply
    118,499.12x = 177,712.55 × 62,308.74
  4. Step 4: Simplify right side
    118,499.12x = 11,073,045,661.22
  5. Step 5: Solve for x
    x = 11,073,045,661.22/118,499.12
  6. Step 6: Final answer
    x = 93,444.12

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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.