Home / 101,601.07-140,210.60-56,279.75

Finding the Fourth Proportional to 101,601.07, 140,210.60 and 56,279.75

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Solution

The fourth proportional to 101,601.07, 140,210.60 and 56,279.75 is: 77,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,601.07 : 140,210.60 = 56,279.75 : x
  2. Step 2: Convert to fraction form
    101,601.07/140,210.60 = 56,279.75/x
  3. Step 3: Cross multiply
    101,601.07x = 140,210.60 × 56,279.75
  4. Step 4: Simplify right side
    101,601.07x = 7,891,016,532.90
  5. Step 5: Solve for x
    x = 7,891,016,532.90/101,601.07
  6. Step 6: Final answer
    x = 77,666.67

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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.