Home / 102,599.09-141,589.13-64,360.25

Finding the Fourth Proportional to 102,599.09, 141,589.13 and 64,360.25

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Solution

The fourth proportional to 102,599.09, 141,589.13 and 64,360.25 is: 88,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,599.09 : 141,589.13 = 64,360.25 : x
  2. Step 2: Convert to fraction form
    102,599.09/141,589.13 = 64,360.25/x
  3. Step 3: Cross multiply
    102,599.09x = 141,589.13 × 64,360.25
  4. Step 4: Simplify right side
    102,599.09x = 9,112,711,788.00
  5. Step 5: Solve for x
    x = 9,112,711,788.00/102,599.09
  6. Step 6: Final answer
    x = 88,818.64

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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.