Home / 74,793.54-103,215.38-40,802.76

Finding the Fourth Proportional to 74,793.54, 103,215.38 and 40,802.76

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Solution

The fourth proportional to 74,793.54, 103,215.38 and 40,802.76 is: 56,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,793.54 : 103,215.38 = 40,802.76 : x
  2. Step 2: Convert to fraction form
    74,793.54/103,215.38 = 40,802.76/x
  3. Step 3: Cross multiply
    74,793.54x = 103,215.38 × 40,802.76
  4. Step 4: Simplify right side
    74,793.54x = 4,211,472,378.45
  5. Step 5: Solve for x
    x = 4,211,472,378.45/74,793.54
  6. Step 6: Final answer
    x = 56,307.97

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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.