Home / 78,750.18-108,671.13-44,754.12

Finding the Fourth Proportional to 78,750.18, 108,671.13 and 44,754.12

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Solution

The fourth proportional to 78,750.18, 108,671.13 and 44,754.12 is: 61,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,750.18 : 108,671.13 = 44,754.12 : x
  2. Step 2: Convert to fraction form
    78,750.18/108,671.13 = 44,754.12/x
  3. Step 3: Cross multiply
    78,750.18x = 108,671.13 × 44,754.12
  4. Step 4: Simplify right side
    78,750.18x = 4,863,480,792.56
  5. Step 5: Solve for x
    x = 4,863,480,792.56/78,750.18
  6. Step 6: Final answer
    x = 61,758.35

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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.