Home / 92,117.40-138,176.10-47,729.40

Finding the Fourth Proportional to 92,117.40, 138,176.10 and 47,729.40

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Solution

The fourth proportional to 92,117.40, 138,176.10 and 47,729.40 is: 71,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,117.40 : 138,176.10 = 47,729.40 : x
  2. Step 2: Convert to fraction form
    92,117.40/138,176.10 = 47,729.40/x
  3. Step 3: Cross multiply
    92,117.40x = 138,176.10 × 47,729.40
  4. Step 4: Simplify right side
    92,117.40x = 6,595,062,347.34
  5. Step 5: Solve for x
    x = 6,595,062,347.34/92,117.40
  6. Step 6: Final answer
    x = 71,594.10

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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.