Home / 92,680.83-127,823.40-56,845.62

Finding the Fourth Proportional to 92,680.83, 127,823.40 and 56,845.62

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Solution

The fourth proportional to 92,680.83, 127,823.40 and 56,845.62 is: 78,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,680.83 : 127,823.40 = 56,845.62 : x
  2. Step 2: Convert to fraction form
    92,680.83/127,823.40 = 56,845.62/x
  3. Step 3: Cross multiply
    92,680.83x = 127,823.40 × 56,845.62
  4. Step 4: Simplify right side
    92,680.83x = 7,266,200,423.51
  5. Step 5: Solve for x
    x = 7,266,200,423.51/92,680.83
  6. Step 6: Final answer
    x = 78,400.25

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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.