Home / 73,920.18-101,994.75-42,080.70

Finding the Fourth Proportional to 73,920.18, 101,994.75 and 42,080.70

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Solution

The fourth proportional to 73,920.18, 101,994.75 and 42,080.70 is: 58,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,920.18 : 101,994.75 = 42,080.70 : x
  2. Step 2: Convert to fraction form
    73,920.18/101,994.75 = 42,080.70/x
  3. Step 3: Cross multiply
    73,920.18x = 101,994.75 × 42,080.70
  4. Step 4: Simplify right side
    73,920.18x = 4,292,010,476.33
  5. Step 5: Solve for x
    x = 4,292,010,476.33/73,920.18
  6. Step 6: Final answer
    x = 58,062.77

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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.