Home / 109,483.06-151,060.76-61,727.18

Finding the Fourth Proportional to 109,483.06, 151,060.76 and 61,727.18

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Solution

The fourth proportional to 109,483.06, 151,060.76 and 61,727.18 is: 85,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,483.06 : 151,060.76 = 61,727.18 : x
  2. Step 2: Convert to fraction form
    109,483.06/151,060.76 = 61,727.18/x
  3. Step 3: Cross multiply
    109,483.06x = 151,060.76 × 61,727.18
  4. Step 4: Simplify right side
    109,483.06x = 9,324,554,122.47
  5. Step 5: Solve for x
    x = 9,324,554,122.47/109,483.06
  6. Step 6: Final answer
    x = 85,168.92

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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.