Home / 47,167.12-70,751.90-13,888.32

Finding the Fourth Proportional to 47,167.12, 70,751.90 and 13,888.32

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Solution

The fourth proportional to 47,167.12, 70,751.90 and 13,888.32 is: 20,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,167.12 : 70,751.90 = 13,888.32 : x
  2. Step 2: Convert to fraction form
    47,167.12/70,751.90 = 13,888.32/x
  3. Step 3: Cross multiply
    47,167.12x = 70,751.90 × 13,888.32
  4. Step 4: Simplify right side
    47,167.12x = 982,625,027.81
  5. Step 5: Solve for x
    x = 982,625,027.81/47,167.12
  6. Step 6: Final answer
    x = 20,832.84

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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.