Home / 70,419.36-97,177.04-38,586.72

Finding the Fourth Proportional to 70,419.36, 97,177.04 and 38,586.72

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Solution

The fourth proportional to 70,419.36, 97,177.04 and 38,586.72 is: 53,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,419.36 : 97,177.04 = 38,586.72 : x
  2. Step 2: Convert to fraction form
    70,419.36/97,177.04 = 38,586.72/x
  3. Step 3: Cross multiply
    70,419.36x = 97,177.04 × 38,586.72
  4. Step 4: Simplify right side
    70,419.36x = 3,749,743,232.91
  5. Step 5: Solve for x
    x = 3,749,743,232.91/70,419.36
  6. Step 6: Final answer
    x = 53,248.75

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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.