Home / 79,077.17-118,484.54-55,654.40

Finding the Fourth Proportional to 79,077.17, 118,484.54 and 55,654.40

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Solution

The fourth proportional to 79,077.17, 118,484.54 and 55,654.40 is: 83,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,077.17 : 118,484.54 = 55,654.40 : x
  2. Step 2: Convert to fraction form
    79,077.17/118,484.54 = 55,654.40/x
  3. Step 3: Cross multiply
    79,077.17x = 118,484.54 × 55,654.40
  4. Step 4: Simplify right side
    79,077.17x = 6,594,186,000.92
  5. Step 5: Solve for x
    x = 6,594,186,000.92/79,077.17
  6. Step 6: Final answer
    x = 83,389.25

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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.