Home / 101,549.26-140,139.09-56,228.07

Finding the Fourth Proportional to 101,549.26, 140,139.09 and 56,228.07

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Solution

The fourth proportional to 101,549.26, 140,139.09 and 56,228.07 is: 77,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,549.26 : 140,139.09 = 56,228.07 : x
  2. Step 2: Convert to fraction form
    101,549.26/140,139.09 = 56,228.07/x
  3. Step 3: Cross multiply
    101,549.26x = 140,139.09 × 56,228.07
  4. Step 4: Simplify right side
    101,549.26x = 7,879,750,562.26
  5. Step 5: Solve for x
    x = 7,879,750,562.26/101,549.26
  6. Step 6: Final answer
    x = 77,595.35

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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.