Home / 101,853.07-140,555.11-56,528.43

Finding the Fourth Proportional to 101,853.07, 140,555.11 and 56,528.43

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Solution

The fourth proportional to 101,853.07, 140,555.11 and 56,528.43 is: 78,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,853.07 : 140,555.11 = 56,528.43 : x
  2. Step 2: Convert to fraction form
    101,853.07/140,555.11 = 56,528.43/x
  3. Step 3: Cross multiply
    101,853.07x = 140,555.11 × 56,528.43
  4. Step 4: Simplify right side
    101,853.07x = 7,945,359,696.78
  5. Step 5: Solve for x
    x = 7,945,359,696.78/101,853.07
  6. Step 6: Final answer
    x = 78,008.05

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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.