Home / 94,081.32-129,824.10-53,782.20

Finding the Fourth Proportional to 94,081.32, 129,824.10 and 53,782.20

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Solution

The fourth proportional to 94,081.32, 129,824.10 and 53,782.20 is: 74,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,081.32 : 129,824.10 = 53,782.20 : x
  2. Step 2: Convert to fraction form
    94,081.32/129,824.10 = 53,782.20/x
  3. Step 3: Cross multiply
    94,081.32x = 129,824.10 × 53,782.20
  4. Step 4: Simplify right side
    94,081.32x = 6,982,225,711.02
  5. Step 5: Solve for x
    x = 6,982,225,711.02/94,081.32
  6. Step 6: Final answer
    x = 74,214.79

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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.