Home / 99,028.89-136,656.18-58,718.84

Finding the Fourth Proportional to 99,028.89, 136,656.18 and 58,718.84

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Solution

The fourth proportional to 99,028.89, 136,656.18 and 58,718.84 is: 81,029.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,028.89 : 136,656.18 = 58,718.84 : x
  2. Step 2: Convert to fraction form
    99,028.89/136,656.18 = 58,718.84/x
  3. Step 3: Cross multiply
    99,028.89x = 136,656.18 × 58,718.84
  4. Step 4: Simplify right side
    99,028.89x = 8,024,291,685.15
  5. Step 5: Solve for x
    x = 8,024,291,685.15/99,028.89
  6. Step 6: Final answer
    x = 81,029.81

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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.