Home / 70,799.46-97,699.53-38,962.20

Finding the Fourth Proportional to 70,799.46, 97,699.53 and 38,962.20

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Solution

The fourth proportional to 70,799.46, 97,699.53 and 38,962.20 is: 53,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,799.46 : 97,699.53 = 38,962.20 : x
  2. Step 2: Convert to fraction form
    70,799.46/97,699.53 = 38,962.20/x
  3. Step 3: Cross multiply
    70,799.46x = 97,699.53 × 38,962.20
  4. Step 4: Simplify right side
    70,799.46x = 3,806,588,627.77
  5. Step 5: Solve for x
    x = 3,806,588,627.77/70,799.46
  6. Step 6: Final answer
    x = 53,765.79

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1.5x scale

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.