Home / 109,778.36-151,492.16-62,030.71

Finding the Fourth Proportional to 109,778.36, 151,492.16 and 62,030.71

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Solution

The fourth proportional to 109,778.36, 151,492.16 and 62,030.71 is: 85,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,778.36 : 151,492.16 = 62,030.71 : x
  2. Step 2: Convert to fraction form
    109,778.36/151,492.16 = 62,030.71/x
  3. Step 3: Cross multiply
    109,778.36x = 151,492.16 × 62,030.71
  4. Step 4: Simplify right side
    109,778.36x = 9,397,165,176.62
  5. Step 5: Solve for x
    x = 9,397,165,176.62/109,778.36
  6. Step 6: Final answer
    x = 85,601.25

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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.