Home / 77,254.02-106,601.74-43,257.78

Finding the Fourth Proportional to 77,254.02, 106,601.74 and 43,257.78

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Solution

The fourth proportional to 77,254.02, 106,601.74 and 43,257.78 is: 59,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,254.02 : 106,601.74 = 43,257.78 : x
  2. Step 2: Convert to fraction form
    77,254.02/106,601.74 = 43,257.78/x
  3. Step 3: Cross multiply
    77,254.02x = 106,601.74 × 43,257.78
  4. Step 4: Simplify right side
    77,254.02x = 4,611,354,508.39
  5. Step 5: Solve for x
    x = 4,611,354,508.39/77,254.02
  6. Step 6: Final answer
    x = 59,690.80

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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.