Home / 78,264.63-107,997.10-44,276.83

Finding the Fourth Proportional to 78,264.63, 107,997.10 and 44,276.83

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Solution

The fourth proportional to 78,264.63, 107,997.10 and 44,276.83 is: 61,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,264.63 : 107,997.10 = 44,276.83 : x
  2. Step 2: Convert to fraction form
    78,264.63/107,997.10 = 44,276.83/x
  3. Step 3: Cross multiply
    78,264.63x = 107,997.10 × 44,276.83
  4. Step 4: Simplify right side
    78,264.63x = 4,781,768,856.51
  5. Step 5: Solve for x
    x = 4,781,768,856.51/78,264.63
  6. Step 6: Final answer
    x = 61,097.44

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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.