Home / 127,847.02-191,702.95-56,738.74

Finding the Fourth Proportional to 127,847.02, 191,702.95 and 56,738.74

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Solution

The fourth proportional to 127,847.02, 191,702.95 and 56,738.74 is: 85,078.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,847.02 : 191,702.95 = 56,738.74 : x
  2. Step 2: Convert to fraction form
    127,847.02/191,702.95 = 56,738.74/x
  3. Step 3: Cross multiply
    127,847.02x = 191,702.95 × 56,738.74
  4. Step 4: Simplify right side
    127,847.02x = 10,876,983,837.28
  5. Step 5: Solve for x
    x = 10,876,983,837.28/127,847.02
  6. Step 6: Final answer
    x = 85,078.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.