Home / 70,494.12-97,281.99-38,663.21

Finding the Fourth Proportional to 70,494.12, 97,281.99 and 38,663.21

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Solution

The fourth proportional to 70,494.12, 97,281.99 and 38,663.21 is: 53,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,494.12 : 97,281.99 = 38,663.21 : x
  2. Step 2: Convert to fraction form
    70,494.12/97,281.99 = 38,663.21/x
  3. Step 3: Cross multiply
    70,494.12x = 97,281.99 × 38,663.21
  4. Step 4: Simplify right side
    70,494.12x = 3,761,233,522.18
  5. Step 5: Solve for x
    x = 3,761,233,522.18/70,494.12
  6. Step 6: Final answer
    x = 53,355.28

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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.