Home / 70,565.42-97,380.69-38,734.58

Finding the Fourth Proportional to 70,565.42, 97,380.69 and 38,734.58

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Solution

The fourth proportional to 70,565.42, 97,380.69 and 38,734.58 is: 53,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,565.42 : 97,380.69 = 38,734.58 : x
  2. Step 2: Convert to fraction form
    70,565.42/97,380.69 = 38,734.58/x
  3. Step 3: Cross multiply
    70,565.42x = 97,380.69 × 38,734.58
  4. Step 4: Simplify right side
    70,565.42x = 3,772,000,127.26
  5. Step 5: Solve for x
    x = 3,772,000,127.26/70,565.42
  6. Step 6: Final answer
    x = 53,453.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.