Home / 56,646.28-85,353.11-47,001.60

Finding the Fourth Proportional to 56,646.28, 85,353.11 and 47,001.60

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Solution

The fourth proportional to 56,646.28, 85,353.11 and 47,001.60 is: 70,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,646.28 : 85,353.11 = 47,001.60 : x
  2. Step 2: Convert to fraction form
    56,646.28/85,353.11 = 47,001.60/x
  3. Step 3: Cross multiply
    56,646.28x = 85,353.11 × 47,001.60
  4. Step 4: Simplify right side
    56,646.28x = 4,011,732,734.98
  5. Step 5: Solve for x
    x = 4,011,732,734.98/56,646.28
  6. Step 6: Final answer
    x = 70,820.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.