Home / 83,892.06-115,786.95-53,690.22

Finding the Fourth Proportional to 83,892.06, 115,786.95 and 53,690.22

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Solution

The fourth proportional to 83,892.06, 115,786.95 and 53,690.22 is: 74,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,892.06 : 115,786.95 = 53,690.22 : x
  2. Step 2: Convert to fraction form
    83,892.06/115,786.95 = 53,690.22/x
  3. Step 3: Cross multiply
    83,892.06x = 115,786.95 × 53,690.22
  4. Step 4: Simplify right side
    83,892.06x = 6,216,626,818.63
  5. Step 5: Solve for x
    x = 6,216,626,818.63/83,892.06
  6. Step 6: Final answer
    x = 74,102.68

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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.