Home / 76,994.28-106,247.70-45,160.74

Finding the Fourth Proportional to 76,994.28, 106,247.70 and 45,160.74

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Solution

The fourth proportional to 76,994.28, 106,247.70 and 45,160.74 is: 62,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,994.28 : 106,247.70 = 45,160.74 : x
  2. Step 2: Convert to fraction form
    76,994.28/106,247.70 = 45,160.74/x
  3. Step 3: Cross multiply
    76,994.28x = 106,247.70 × 45,160.74
  4. Step 4: Simplify right side
    76,994.28x = 4,798,224,755.30
  5. Step 5: Solve for x
    x = 4,798,224,755.30/76,994.28
  6. Step 6: Final answer
    x = 62,319.24

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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.