Home / 112,692.96-155,518.56-62,393.76

Finding the Fourth Proportional to 112,692.96, 155,518.56 and 62,393.76

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Solution

The fourth proportional to 112,692.96, 155,518.56 and 62,393.76 is: 86,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,692.96 : 155,518.56 = 62,393.76 : x
  2. Step 2: Convert to fraction form
    112,692.96/155,518.56 = 62,393.76/x
  3. Step 3: Cross multiply
    112,692.96x = 155,518.56 × 62,393.76
  4. Step 4: Simplify right side
    112,692.96x = 9,703,387,708.19
  5. Step 5: Solve for x
    x = 9,703,387,708.19/112,692.96
  6. Step 6: Final answer
    x = 86,104.65

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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.