Home / 74,659.76-103,023-45,974.83

Finding the Fourth Proportional to 74,659.76, 103,023 and 45,974.83

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Solution

The fourth proportional to 74,659.76, 103,023 and 45,974.83 is: 63,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,659.76 : 103,023 = 45,974.83 : x
  2. Step 2: Convert to fraction form
    74,659.76/103,023 = 45,974.83/x
  3. Step 3: Cross multiply
    74,659.76x = 103,023 × 45,974.83
  4. Step 4: Simplify right side
    74,659.76x = 4,736,464,653.53
  5. Step 5: Solve for x
    x = 4,736,464,653.53/74,659.76
  6. Step 6: Final answer
    x = 63,440.66

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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.