Home / 126,907.72-175,132.74-70,320.04

Finding the Fourth Proportional to 126,907.72, 175,132.74 and 70,320.04

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Solution

The fourth proportional to 126,907.72, 175,132.74 and 70,320.04 is: 97,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,907.72 : 175,132.74 = 70,320.04 : x
  2. Step 2: Convert to fraction form
    126,907.72/175,132.74 = 70,320.04/x
  3. Step 3: Cross multiply
    126,907.72x = 175,132.74 × 70,320.04
  4. Step 4: Simplify right side
    126,907.72x = 12,315,341,282.11
  5. Step 5: Solve for x
    x = 12,315,341,282.11/126,907.72
  6. Step 6: Final answer
    x = 97,041.70

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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.