Home / 74,748.65-103,178.13-44,543.45

Finding the Fourth Proportional to 74,748.65, 103,178.13 and 44,543.45

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Solution

The fourth proportional to 74,748.65, 103,178.13 and 44,543.45 is: 61,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748.65 : 103,178.13 = 44,543.45 : x
  2. Step 2: Convert to fraction form
    74,748.65/103,178.13 = 44,543.45/x
  3. Step 3: Cross multiply
    74,748.65x = 103,178.13 × 44,543.45
  4. Step 4: Simplify right side
    74,748.65x = 4,595,909,358.86
  5. Step 5: Solve for x
    x = 4,595,909,358.86/74,748.65
  6. Step 6: Final answer
    x = 61,484.85

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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.