Home / 47,168.15-70,752.29-13,888.60

Finding the Fourth Proportional to 47,168.15, 70,752.29 and 13,888.60

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Solution

The fourth proportional to 47,168.15, 70,752.29 and 13,888.60 is: 20,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,168.15 : 70,752.29 = 13,888.60 : x
  2. Step 2: Convert to fraction form
    47,168.15/70,752.29 = 13,888.60/x
  3. Step 3: Cross multiply
    47,168.15x = 70,752.29 × 13,888.60
  4. Step 4: Simplify right side
    47,168.15x = 982,650,008.57
  5. Step 5: Solve for x
    x = 982,650,008.57/47,168.15
  6. Step 6: Final answer
    x = 20,832.92

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1.5x scale

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.