Home / 78,903.06-108,886.92-44,913.74

Finding the Fourth Proportional to 78,903.06, 108,886.92 and 44,913.74

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Solution

The fourth proportional to 78,903.06, 108,886.92 and 44,913.74 is: 61,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,903.06 : 108,886.92 = 44,913.74 : x
  2. Step 2: Convert to fraction form
    78,903.06/108,886.92 = 44,913.74/x
  3. Step 3: Cross multiply
    78,903.06x = 108,886.92 × 44,913.74
  4. Step 4: Simplify right side
    78,903.06x = 4,890,518,269.85
  5. Step 5: Solve for x
    x = 4,890,518,269.85/78,903.06
  6. Step 6: Final answer
    x = 61,981.35

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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.