Home / 83,545.94-115,293.65-45,305.46

Finding the Fourth Proportional to 83,545.94, 115,293.65 and 45,305.46

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Solution

The fourth proportional to 83,545.94, 115,293.65 and 45,305.46 is: 62,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,545.94 : 115,293.65 = 45,305.46 : x
  2. Step 2: Convert to fraction form
    83,545.94/115,293.65 = 45,305.46/x
  3. Step 3: Cross multiply
    83,545.94x = 115,293.65 × 45,305.46
  4. Step 4: Simplify right side
    83,545.94x = 5,223,431,848.33
  5. Step 5: Solve for x
    x = 5,223,431,848.33/83,545.94
  6. Step 6: Final answer
    x = 62,521.67

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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.