Home / 99,186.12-136,816.74-58,873.32

Finding the Fourth Proportional to 99,186.12, 136,816.74 and 58,873.32

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Solution

The fourth proportional to 99,186.12, 136,816.74 and 58,873.32 is: 81,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,186.12 : 136,816.74 = 58,873.32 : x
  2. Step 2: Convert to fraction form
    99,186.12/136,816.74 = 58,873.32/x
  3. Step 3: Cross multiply
    99,186.12x = 136,816.74 × 58,873.32
  4. Step 4: Simplify right side
    99,186.12x = 8,054,855,715.38
  5. Step 5: Solve for x
    x = 8,054,855,715.38/99,186.12
  6. Step 6: Final answer
    x = 81,209.51

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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.