Home / 83,927.64-115,835.67-48,117.90

Finding the Fourth Proportional to 83,927.64, 115,835.67 and 48,117.90

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Solution

The fourth proportional to 83,927.64, 115,835.67 and 48,117.90 is: 66,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,927.64 : 115,835.67 = 48,117.90 : x
  2. Step 2: Convert to fraction form
    83,927.64/115,835.67 = 48,117.90/x
  3. Step 3: Cross multiply
    83,927.64x = 115,835.67 × 48,117.90
  4. Step 4: Simplify right side
    83,927.64x = 5,573,769,185.49
  5. Step 5: Solve for x
    x = 5,573,769,185.49/83,927.64
  6. Step 6: Final answer
    x = 66,411.60

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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.