Home / 109,581.07-151,228.55-61,182.93

Finding the Fourth Proportional to 109,581.07, 151,228.55 and 61,182.93

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Solution

The fourth proportional to 109,581.07, 151,228.55 and 61,182.93 is: 84,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,581.07 : 151,228.55 = 61,182.93 : x
  2. Step 2: Convert to fraction form
    109,581.07/151,228.55 = 61,182.93/x
  3. Step 3: Cross multiply
    109,581.07x = 151,228.55 × 61,182.93
  4. Step 4: Simplify right side
    109,581.07x = 9,252,605,378.02
  5. Step 5: Solve for x
    x = 9,252,605,378.02/109,581.07
  6. Step 6: Final answer
    x = 84,436.17

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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.