Home / 72,314.20-99,799.13-41,692.28

Finding the Fourth Proportional to 72,314.20, 99,799.13 and 41,692.28

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Solution

The fourth proportional to 72,314.20, 99,799.13 and 41,692.28 is: 57,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,314.20 : 99,799.13 = 41,692.28 : x
  2. Step 2: Convert to fraction form
    72,314.20/99,799.13 = 41,692.28/x
  3. Step 3: Cross multiply
    72,314.20x = 99,799.13 × 41,692.28
  4. Step 4: Simplify right side
    72,314.20x = 4,160,852,798.78
  5. Step 5: Solve for x
    x = 4,160,852,798.78/72,314.20
  6. Step 6: Final answer
    x = 57,538.53

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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.