Home / 47,925.76-71,762.80-38,515.72

Finding the Fourth Proportional to 47,925.76, 71,762.80 and 38,515.72

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Solution

The fourth proportional to 47,925.76, 71,762.80 and 38,515.72 is: 57,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,925.76 : 71,762.80 = 38,515.72 : x
  2. Step 2: Convert to fraction form
    47,925.76/71,762.80 = 38,515.72/x
  3. Step 3: Cross multiply
    47,925.76x = 71,762.80 × 38,515.72
  4. Step 4: Simplify right side
    47,925.76x = 2,763,995,911.22
  5. Step 5: Solve for x
    x = 2,763,995,911.22/47,925.76
  6. Step 6: Final answer
    x = 57,672.45

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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.