Home / 99,278.32-137,003.91-53,956.16

Finding the Fourth Proportional to 99,278.32, 137,003.91 and 53,956.16

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Solution

The fourth proportional to 99,278.32, 137,003.91 and 53,956.16 is: 74,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,278.32 : 137,003.91 = 53,956.16 : x
  2. Step 2: Convert to fraction form
    99,278.32/137,003.91 = 53,956.16/x
  3. Step 3: Cross multiply
    99,278.32x = 137,003.91 × 53,956.16
  4. Step 4: Simplify right side
    99,278.32x = 7,392,204,888.59
  5. Step 5: Solve for x
    x = 7,392,204,888.59/99,278.32
  6. Step 6: Final answer
    x = 74,459.41

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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.