Home / 107,220.03-147,981.38-59,488.75

Finding the Fourth Proportional to 107,220.03, 147,981.38 and 59,488.75

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Solution

The fourth proportional to 107,220.03, 147,981.38 and 59,488.75 is: 82,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,220.03 : 147,981.38 = 59,488.75 : x
  2. Step 2: Convert to fraction form
    107,220.03/147,981.38 = 59,488.75/x
  3. Step 3: Cross multiply
    107,220.03x = 147,981.38 × 59,488.75
  4. Step 4: Simplify right side
    107,220.03x = 8,803,227,319.48
  5. Step 5: Solve for x
    x = 8,803,227,319.48/107,220.03
  6. Step 6: Final answer
    x = 82,104.32

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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.