Home / 94,816.77-142,225.11-28,255.20

Finding the Fourth Proportional to 94,816.77, 142,225.11 and 28,255.20

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Solution

The fourth proportional to 94,816.77, 142,225.11 and 28,255.20 is: 42,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,816.77 : 142,225.11 = 28,255.20 : x
  2. Step 2: Convert to fraction form
    94,816.77/142,225.11 = 28,255.20/x
  3. Step 3: Cross multiply
    94,816.77x = 142,225.11 × 28,255.20
  4. Step 4: Simplify right side
    94,816.77x = 4,018,598,928.07
  5. Step 5: Solve for x
    x = 4,018,598,928.07/94,816.77
  6. Step 6: Final answer
    x = 42,382.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.