Home / 70,451.46-97,223.94-42,151.68

Finding the Fourth Proportional to 70,451.46, 97,223.94 and 42,151.68

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Solution

The fourth proportional to 70,451.46, 97,223.94 and 42,151.68 is: 58,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,451.46 : 97,223.94 = 42,151.68 : x
  2. Step 2: Convert to fraction form
    70,451.46/97,223.94 = 42,151.68/x
  3. Step 3: Cross multiply
    70,451.46x = 97,223.94 × 42,151.68
  4. Step 4: Simplify right side
    70,451.46x = 4,098,152,407.22
  5. Step 5: Solve for x
    x = 4,098,152,407.22/70,451.46
  6. Step 6: Final answer
    x = 58,169.87

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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.