Home / 92,141.15-127,155.69-51,305.85

Finding the Fourth Proportional to 92,141.15, 127,155.69 and 51,305.85

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Solution

The fourth proportional to 92,141.15, 127,155.69 and 51,305.85 is: 70,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,141.15 : 127,155.69 = 51,305.85 : x
  2. Step 2: Convert to fraction form
    92,141.15/127,155.69 = 51,305.85/x
  3. Step 3: Cross multiply
    92,141.15x = 127,155.69 × 51,305.85
  4. Step 4: Simplify right side
    92,141.15x = 6,523,830,757.79
  5. Step 5: Solve for x
    x = 6,523,830,757.79/92,141.15
  6. Step 6: Final answer
    x = 70,802.58

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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.