Home / 94,976.40-131,666.80-89,920.38

Finding the Fourth Proportional to 94,976.40, 131,666.80 and 89,920.38

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Solution

The fourth proportional to 94,976.40, 131,666.80 and 89,920.38 is: 124,657.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,976.40 : 131,666.80 = 89,920.38 : x
  2. Step 2: Convert to fraction form
    94,976.40/131,666.80 = 89,920.38/x
  3. Step 3: Cross multiply
    94,976.40x = 131,666.80 × 89,920.38
  4. Step 4: Simplify right side
    94,976.40x = 11,839,528,689.38
  5. Step 5: Solve for x
    x = 11,839,528,689.38/94,976.40
  6. Step 6: Final answer
    x = 124,657.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.