Home / 99,937.02-137,908.96-54,616.51

Finding the Fourth Proportional to 99,937.02, 137,908.96 and 54,616.51

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Solution

The fourth proportional to 99,937.02, 137,908.96 and 54,616.51 is: 75,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,937.02 : 137,908.96 = 54,616.51 : x
  2. Step 2: Convert to fraction form
    99,937.02/137,908.96 = 54,616.51/x
  3. Step 3: Cross multiply
    99,937.02x = 137,908.96 × 54,616.51
  4. Step 4: Simplify right side
    99,937.02x = 7,532,106,092.93
  5. Step 5: Solve for x
    x = 7,532,106,092.93/99,937.02
  6. Step 6: Final answer
    x = 75,368.53

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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.