Home / 47,134.23-70,686.32-15,538.40

Finding the Fourth Proportional to 47,134.23, 70,686.32 and 15,538.40

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Solution

The fourth proportional to 47,134.23, 70,686.32 and 15,538.40 is: 23,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,134.23 : 70,686.32 = 15,538.40 : x
  2. Step 2: Convert to fraction form
    47,134.23/70,686.32 = 15,538.40/x
  3. Step 3: Cross multiply
    47,134.23x = 70,686.32 × 15,538.40
  4. Step 4: Simplify right side
    47,134.23x = 1,098,352,237.00
  5. Step 5: Solve for x
    x = 1,098,352,237.00/47,134.23
  6. Step 6: Final answer
    x = 23,302.65

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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.