Home / 109,981.36-151,777.47-62,233.68

Finding the Fourth Proportional to 109,981.36, 151,777.47 and 62,233.68

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Solution

The fourth proportional to 109,981.36, 151,777.47 and 62,233.68 is: 85,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,981.36 : 151,777.47 = 62,233.68 : x
  2. Step 2: Convert to fraction form
    109,981.36/151,777.47 = 62,233.68/x
  3. Step 3: Cross multiply
    109,981.36x = 151,777.47 × 62,233.68
  4. Step 4: Simplify right side
    109,981.36x = 9,445,670,188.02
  5. Step 5: Solve for x
    x = 9,445,670,188.02/109,981.36
  6. Step 6: Final answer
    x = 85,884.29

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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.