Home / 109,230.12-150,751.94-61,492.77

Finding the Fourth Proportional to 109,230.12, 150,751.94 and 61,492.77

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Solution

The fourth proportional to 109,230.12, 150,751.94 and 61,492.77 is: 84,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,230.12 : 150,751.94 = 61,492.77 : x
  2. Step 2: Convert to fraction form
    109,230.12/150,751.94 = 61,492.77/x
  3. Step 3: Cross multiply
    109,230.12x = 150,751.94 × 61,492.77
  4. Step 4: Simplify right side
    109,230.12x = 9,270,154,066.01
  5. Step 5: Solve for x
    x = 9,270,154,066.01/109,230.12
  6. Step 6: Final answer
    x = 84,868.11

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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.