Home / 70,666.32-97,520.01-38,835.13

Finding the Fourth Proportional to 70,666.32, 97,520.01 and 38,835.13

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Solution

The fourth proportional to 70,666.32, 97,520.01 and 38,835.13 is: 53,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,666.32 : 97,520.01 = 38,835.13 : x
  2. Step 2: Convert to fraction form
    70,666.32/97,520.01 = 38,835.13/x
  3. Step 3: Cross multiply
    70,666.32x = 97,520.01 × 38,835.13
  4. Step 4: Simplify right side
    70,666.32x = 3,787,202,265.95
  5. Step 5: Solve for x
    x = 3,787,202,265.95/70,666.32
  6. Step 6: Final answer
    x = 53,592.75

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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.