Home / 70,600.90-97,429.92-38,770.46

Finding the Fourth Proportional to 70,600.90, 97,429.92 and 38,770.46

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Solution

The fourth proportional to 70,600.90, 97,429.92 and 38,770.46 is: 53,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,600.90 : 97,429.92 = 38,770.46 : x
  2. Step 2: Convert to fraction form
    70,600.90/97,429.92 = 38,770.46/x
  3. Step 3: Cross multiply
    70,600.90x = 97,429.92 × 38,770.46
  4. Step 4: Simplify right side
    70,600.90x = 3,777,402,816.16
  5. Step 5: Solve for x
    x = 3,777,402,816.16/70,600.90
  6. Step 6: Final answer
    x = 53,503.61

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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.