Home / 99,016.48-136,637.04-54,304.48

Finding the Fourth Proportional to 99,016.48, 136,637.04 and 54,304.48

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Solution

The fourth proportional to 99,016.48, 136,637.04 and 54,304.48 is: 74,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,016.48 : 136,637.04 = 54,304.48 : x
  2. Step 2: Convert to fraction form
    99,016.48/136,637.04 = 54,304.48/x
  3. Step 3: Cross multiply
    99,016.48x = 136,637.04 × 54,304.48
  4. Step 4: Simplify right side
    99,016.48x = 7,420,003,405.94
  5. Step 5: Solve for x
    x = 7,420,003,405.94/99,016.48
  6. Step 6: Final answer
    x = 74,937.05

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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.