Home / 107,012.28-147,678.18-59,266.44

Finding the Fourth Proportional to 107,012.28, 147,678.18 and 59,266.44

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Solution

The fourth proportional to 107,012.28, 147,678.18 and 59,266.44 is: 81,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,012.28 : 147,678.18 = 59,266.44 : x
  2. Step 2: Convert to fraction form
    107,012.28/147,678.18 = 59,266.44/x
  3. Step 3: Cross multiply
    107,012.28x = 147,678.18 × 59,266.44
  4. Step 4: Simplify right side
    107,012.28x = 8,752,359,994.28
  5. Step 5: Solve for x
    x = 8,752,359,994.28/107,012.28
  6. Step 6: Final answer
    x = 81,788.37

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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.