Home / 75,270.76-112,925.12-53,127.38

Finding the Fourth Proportional to 75,270.76, 112,925.12 and 53,127.38

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Solution

The fourth proportional to 75,270.76, 112,925.12 and 53,127.38 is: 79,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,270.76 : 112,925.12 = 53,127.38 : x
  2. Step 2: Convert to fraction form
    75,270.76/112,925.12 = 53,127.38/x
  3. Step 3: Cross multiply
    75,270.76x = 112,925.12 × 53,127.38
  4. Step 4: Simplify right side
    75,270.76x = 5,999,416,077.30
  5. Step 5: Solve for x
    x = 5,999,416,077.30/75,270.76
  6. Step 6: Final answer
    x = 79,704.47

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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.