Home / 99,348.93-137,039.85-61,623.18

Finding the Fourth Proportional to 99,348.93, 137,039.85 and 61,623.18

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Solution

The fourth proportional to 99,348.93, 137,039.85 and 61,623.18 is: 85,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,348.93 : 137,039.85 = 61,623.18 : x
  2. Step 2: Convert to fraction form
    99,348.93/137,039.85 = 61,623.18/x
  3. Step 3: Cross multiply
    99,348.93x = 137,039.85 × 61,623.18
  4. Step 4: Simplify right side
    99,348.93x = 8,444,831,343.72
  5. Step 5: Solve for x
    x = 8,444,831,343.72/99,348.93
  6. Step 6: Final answer
    x = 85,001.73

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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.