Home / 112,389.90-155,086.83-62,085.66

Finding the Fourth Proportional to 112,389.90, 155,086.83 and 62,085.66

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Solution

The fourth proportional to 112,389.90, 155,086.83 and 62,085.66 is: 85,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,389.90 : 155,086.83 = 62,085.66 : x
  2. Step 2: Convert to fraction form
    112,389.90/155,086.83 = 62,085.66/x
  3. Step 3: Cross multiply
    112,389.90x = 155,086.83 × 62,085.66
  4. Step 4: Simplify right side
    112,389.90x = 9,628,668,197.86
  5. Step 5: Solve for x
    x = 9,628,668,197.86/112,389.90
  6. Step 6: Final answer
    x = 85,672.01

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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.