Home / 70,733.32-97,612.79-38,902.75

Finding the Fourth Proportional to 70,733.32, 97,612.79 and 38,902.75

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Solution

The fourth proportional to 70,733.32, 97,612.79 and 38,902.75 is: 53,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,733.32 : 97,612.79 = 38,902.75 : x
  2. Step 2: Convert to fraction form
    70,733.32/97,612.79 = 38,902.75/x
  3. Step 3: Cross multiply
    70,733.32x = 97,612.79 × 38,902.75
  4. Step 4: Simplify right side
    70,733.32x = 3,797,405,478.11
  5. Step 5: Solve for x
    x = 3,797,405,478.11/70,733.32
  6. Step 6: Final answer
    x = 53,686.24

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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.