Home / 74,569.76-102,904.20-40,577.46

Finding the Fourth Proportional to 74,569.76, 102,904.20 and 40,577.46

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Solution

The fourth proportional to 74,569.76, 102,904.20 and 40,577.46 is: 55,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,569.76 : 102,904.20 = 40,577.46 : x
  2. Step 2: Convert to fraction form
    74,569.76/102,904.20 = 40,577.46/x
  3. Step 3: Cross multiply
    74,569.76x = 102,904.20 × 40,577.46
  4. Step 4: Simplify right side
    74,569.76x = 4,175,591,059.33
  5. Step 5: Solve for x
    x = 4,175,591,059.33/74,569.76
  6. Step 6: Final answer
    x = 55,995.77

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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.