Home / 70,854.28-97,779.12-38,589.14

Finding the Fourth Proportional to 70,854.28, 97,779.12 and 38,589.14

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Solution

The fourth proportional to 70,854.28, 97,779.12 and 38,589.14 is: 53,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,854.28 : 97,779.12 = 38,589.14 : x
  2. Step 2: Convert to fraction form
    70,854.28/97,779.12 = 38,589.14/x
  3. Step 3: Cross multiply
    70,854.28x = 97,779.12 × 38,589.14
  4. Step 4: Simplify right side
    70,854.28x = 3,773,212,150.76
  5. Step 5: Solve for x
    x = 3,773,212,150.76/70,854.28
  6. Step 6: Final answer
    x = 53,253.13

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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.