Home / 70,074.40-96,699.12-38,243.04

Finding the Fourth Proportional to 70,074.40, 96,699.12 and 38,243.04

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Solution

The fourth proportional to 70,074.40, 96,699.12 and 38,243.04 is: 52,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,074.40 : 96,699.12 = 38,243.04 : x
  2. Step 2: Convert to fraction form
    70,074.40/96,699.12 = 38,243.04/x
  3. Step 3: Cross multiply
    70,074.40x = 96,699.12 × 38,243.04
  4. Step 4: Simplify right side
    70,074.40x = 3,698,068,314.12
  5. Step 5: Solve for x
    x = 3,698,068,314.12/70,074.40
  6. Step 6: Final answer
    x = 52,773.46

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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.