Home / 70,516.17-97,311.83-38,686.41

Finding the Fourth Proportional to 70,516.17, 97,311.83 and 38,686.41

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Solution

The fourth proportional to 70,516.17, 97,311.83 and 38,686.41 is: 53,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,516.17 : 97,311.83 = 38,686.41 : x
  2. Step 2: Convert to fraction form
    70,516.17/97,311.83 = 38,686.41/x
  3. Step 3: Cross multiply
    70,516.17x = 97,311.83 × 38,686.41
  4. Step 4: Simplify right side
    70,516.17x = 3,764,645,159.80
  5. Step 5: Solve for x
    x = 3,764,645,159.80/70,516.17
  6. Step 6: Final answer
    x = 53,386.98

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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.