Home / 83,881.86-115,756.52-48,070.95

Finding the Fourth Proportional to 83,881.86, 115,756.52 and 48,070.95

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Solution

The fourth proportional to 83,881.86, 115,756.52 and 48,070.95 is: 66,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,881.86 : 115,756.52 = 48,070.95 : x
  2. Step 2: Convert to fraction form
    83,881.86/115,756.52 = 48,070.95/x
  3. Step 3: Cross multiply
    83,881.86x = 115,756.52 × 48,070.95
  4. Step 4: Simplify right side
    83,881.86x = 5,564,525,885.09
  5. Step 5: Solve for x
    x = 5,564,525,885.09/83,881.86
  6. Step 6: Final answer
    x = 66,337.65

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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.