Home / 70,627.18-97,465.80-38,796.70

Finding the Fourth Proportional to 70,627.18, 97,465.80 and 38,796.70

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Solution

The fourth proportional to 70,627.18, 97,465.80 and 38,796.70 is: 53,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,627.18 : 97,465.80 = 38,796.70 : x
  2. Step 2: Convert to fraction form
    70,627.18/97,465.80 = 38,796.70/x
  3. Step 3: Cross multiply
    70,627.18x = 97,465.80 × 38,796.70
  4. Step 4: Simplify right side
    70,627.18x = 3,781,351,402.86
  5. Step 5: Solve for x
    x = 3,781,351,402.86/70,627.18
  6. Step 6: Final answer
    x = 53,539.61

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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.