Home / 83,955.51-115,868.61-48,145.41

Finding the Fourth Proportional to 83,955.51, 115,868.61 and 48,145.41

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Solution

The fourth proportional to 83,955.51, 115,868.61 and 48,145.41 is: 66,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,955.51 : 115,868.61 = 48,145.41 : x
  2. Step 2: Convert to fraction form
    83,955.51/115,868.61 = 48,145.41/x
  3. Step 3: Cross multiply
    83,955.51x = 115,868.61 × 48,145.41
  4. Step 4: Simplify right side
    83,955.51x = 5,578,541,734.58
  5. Step 5: Solve for x
    x = 5,578,541,734.58/83,955.51
  6. Step 6: Final answer
    x = 66,446.40

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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.