Home / 99,599.19-137,444.36-54,278.34

Finding the Fourth Proportional to 99,599.19, 137,444.36 and 54,278.34

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Solution

The fourth proportional to 99,599.19, 137,444.36 and 54,278.34 is: 74,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,599.19 : 137,444.36 = 54,278.34 : x
  2. Step 2: Convert to fraction form
    99,599.19/137,444.36 = 54,278.34/x
  3. Step 3: Cross multiply
    99,599.19x = 137,444.36 × 54,278.34
  4. Step 4: Simplify right side
    99,599.19x = 7,460,251,431.77
  5. Step 5: Solve for x
    x = 7,460,251,431.77/99,599.19
  6. Step 6: Final answer
    x = 74,902.73

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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.