Home / 66,719.38-92,148.33-45,461.74

Finding the Fourth Proportional to 66,719.38, 92,148.33 and 45,461.74

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Solution

The fourth proportional to 66,719.38, 92,148.33 and 45,461.74 is: 62,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,719.38 : 92,148.33 = 45,461.74 : x
  2. Step 2: Convert to fraction form
    66,719.38/92,148.33 = 45,461.74/x
  3. Step 3: Cross multiply
    66,719.38x = 92,148.33 × 45,461.74
  4. Step 4: Simplify right side
    66,719.38x = 4,189,223,419.89
  5. Step 5: Solve for x
    x = 4,189,223,419.89/66,719.38
  6. Step 6: Final answer
    x = 62,788.70

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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.