Home / 70,571.18-97,385.27-38,740.82

Finding the Fourth Proportional to 70,571.18, 97,385.27 and 38,740.82

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Solution

The fourth proportional to 70,571.18, 97,385.27 and 38,740.82 is: 53,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,571.18 : 97,385.27 = 38,740.82 : x
  2. Step 2: Convert to fraction form
    70,571.18/97,385.27 = 38,740.82/x
  3. Step 3: Cross multiply
    70,571.18x = 97,385.27 × 38,740.82
  4. Step 4: Simplify right side
    70,571.18x = 3,772,784,535.09
  5. Step 5: Solve for x
    x = 3,772,784,535.09/70,571.18
  6. Step 6: Final answer
    x = 53,460.70

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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.