Home / 70,735.32-97,615.55-38,904.75

Finding the Fourth Proportional to 70,735.32, 97,615.55 and 38,904.75

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Solution

The fourth proportional to 70,735.32, 97,615.55 and 38,904.75 is: 53,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,735.32 : 97,615.55 = 38,904.75 : x
  2. Step 2: Convert to fraction form
    70,735.32/97,615.55 = 38,904.75/x
  3. Step 3: Cross multiply
    70,735.32x = 97,615.55 × 38,904.75
  4. Step 4: Simplify right side
    70,735.32x = 3,797,708,568.86
  5. Step 5: Solve for x
    x = 3,797,708,568.86/70,735.32
  6. Step 6: Final answer
    x = 53,689.00

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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.