Home / 98,877.74-136,450.94-53,555.60

Finding the Fourth Proportional to 98,877.74, 136,450.94 and 53,555.60

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Solution

The fourth proportional to 98,877.74, 136,450.94 and 53,555.60 is: 73,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,877.74 : 136,450.94 = 53,555.60 : x
  2. Step 2: Convert to fraction form
    98,877.74/136,450.94 = 53,555.60/x
  3. Step 3: Cross multiply
    98,877.74x = 136,450.94 × 53,555.60
  4. Step 4: Simplify right side
    98,877.74x = 7,307,712,035.61
  5. Step 5: Solve for x
    x = 7,307,712,035.61/98,877.74
  6. Step 6: Final answer
    x = 73,906.55

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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.