Home / 88,269.39-121,545.09-76,065.93

Finding the Fourth Proportional to 88,269.39, 121,545.09 and 76,065.93

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Solution

The fourth proportional to 88,269.39, 121,545.09 and 76,065.93 is: 104,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,269.39 : 121,545.09 = 76,065.93 : x
  2. Step 2: Convert to fraction form
    88,269.39/121,545.09 = 76,065.93/x
  3. Step 3: Cross multiply
    88,269.39x = 121,545.09 × 76,065.93
  4. Step 4: Simplify right side
    88,269.39x = 9,245,440,307.78
  5. Step 5: Solve for x
    x = 9,245,440,307.78/88,269.39
  6. Step 6: Final answer
    x = 104,741.18

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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.