Home / 99,082.08-136,670.40-67,305.84

Finding the Fourth Proportional to 99,082.08, 136,670.40 and 67,305.84

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Solution

The fourth proportional to 99,082.08, 136,670.40 and 67,305.84 is: 92,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,082.08 : 136,670.40 = 67,305.84 : x
  2. Step 2: Convert to fraction form
    99,082.08/136,670.40 = 67,305.84/x
  3. Step 3: Cross multiply
    99,082.08x = 136,670.40 × 67,305.84
  4. Step 4: Simplify right side
    99,082.08x = 9,198,716,075.14
  5. Step 5: Solve for x
    x = 9,198,716,075.14/99,082.08
  6. Step 6: Final answer
    x = 92,839.35

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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.