Home / 127,408.38-175,823.68-70,048.68

Finding the Fourth Proportional to 127,408.38, 175,823.68 and 70,048.68

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Solution

The fourth proportional to 127,408.38, 175,823.68 and 70,048.68 is: 96,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,408.38 : 175,823.68 = 70,048.68 : x
  2. Step 2: Convert to fraction form
    127,408.38/175,823.68 = 70,048.68/x
  3. Step 3: Cross multiply
    127,408.38x = 175,823.68 × 70,048.68
  4. Step 4: Simplify right side
    127,408.38x = 12,316,216,696.74
  5. Step 5: Solve for x
    x = 12,316,216,696.74/127,408.38
  6. Step 6: Final answer
    x = 96,667.24

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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.