Home / 70,565.92-97,380.60-38,735.36

Finding the Fourth Proportional to 70,565.92, 97,380.60 and 38,735.36

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Solution

The fourth proportional to 70,565.92, 97,380.60 and 38,735.36 is: 53,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,565.92 : 97,380.60 = 38,735.36 : x
  2. Step 2: Convert to fraction form
    70,565.92/97,380.60 = 38,735.36/x
  3. Step 3: Cross multiply
    70,565.92x = 97,380.60 × 38,735.36
  4. Step 4: Simplify right side
    70,565.92x = 3,772,072,598.02
  5. Step 5: Solve for x
    x = 3,772,072,598.02/70,565.92
  6. Step 6: Final answer
    x = 53,454.59

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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.