Home / 107,031.84-147,550.08-75,101.76

Finding the Fourth Proportional to 107,031.84, 147,550.08 and 75,101.76

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Solution

The fourth proportional to 107,031.84, 147,550.08 and 75,101.76 is: 103,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,031.84 : 147,550.08 = 75,101.76 : x
  2. Step 2: Convert to fraction form
    107,031.84/147,550.08 = 75,101.76/x
  3. Step 3: Cross multiply
    107,031.84x = 147,550.08 × 75,101.76
  4. Step 4: Simplify right side
    107,031.84x = 11,081,270,696.14
  5. Step 5: Solve for x
    x = 11,081,270,696.14/107,031.84
  6. Step 6: Final answer
    x = 103,532.47

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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.