Home / 70,209.32-96,888.42-38,378.43

Finding the Fourth Proportional to 70,209.32, 96,888.42 and 38,378.43

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Solution

The fourth proportional to 70,209.32, 96,888.42 and 38,378.43 is: 52,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,209.32 : 96,888.42 = 38,378.43 : x
  2. Step 2: Convert to fraction form
    70,209.32/96,888.42 = 38,378.43/x
  3. Step 3: Cross multiply
    70,209.32x = 96,888.42 × 38,378.43
  4. Step 4: Simplify right side
    70,209.32x = 3,718,425,444.78
  5. Step 5: Solve for x
    x = 3,718,425,444.78/70,209.32
  6. Step 6: Final answer
    x = 52,962.00

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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.