Home / 47,031.90-70,449.02-38,176.98

Finding the Fourth Proportional to 47,031.90, 70,449.02 and 38,176.98

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Solution

The fourth proportional to 47,031.90, 70,449.02 and 38,176.98 is: 57,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,031.90 : 70,449.02 = 38,176.98 : x
  2. Step 2: Convert to fraction form
    47,031.90/70,449.02 = 38,176.98/x
  3. Step 3: Cross multiply
    47,031.90x = 70,449.02 × 38,176.98
  4. Step 4: Simplify right side
    47,031.90x = 2,689,530,827.56
  5. Step 5: Solve for x
    x = 2,689,530,827.56/47,031.90
  6. Step 6: Final answer
    x = 57,185.25

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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.