Home / 42,734.93-64,116.63-26,921.70

Finding the Fourth Proportional to 42,734.93, 64,116.63 and 26,921.70

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Solution

The fourth proportional to 42,734.93, 64,116.63 and 26,921.70 is: 40,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,734.93 : 64,116.63 = 26,921.70 : x
  2. Step 2: Convert to fraction form
    42,734.93/64,116.63 = 26,921.70/x
  3. Step 3: Cross multiply
    42,734.93x = 64,116.63 × 26,921.70
  4. Step 4: Simplify right side
    42,734.93x = 1,726,128,677.87
  5. Step 5: Solve for x
    x = 1,726,128,677.87/42,734.93
  6. Step 6: Final answer
    x = 40,391.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.