Home / 70,549.32-97,354.86-38,717.58

Finding the Fourth Proportional to 70,549.32, 97,354.86 and 38,717.58

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Solution

The fourth proportional to 70,549.32, 97,354.86 and 38,717.58 is: 53,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,549.32 : 97,354.86 = 38,717.58 : x
  2. Step 2: Convert to fraction form
    70,549.32/97,354.86 = 38,717.58/x
  3. Step 3: Cross multiply
    70,549.32x = 97,354.86 × 38,717.58
  4. Step 4: Simplify right side
    70,549.32x = 3,769,344,580.44
  5. Step 5: Solve for x
    x = 3,769,344,580.44/70,549.32
  6. Step 6: Final answer
    x = 53,428.50

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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.