Home / 126,811.95-175,013.24-70,223.32

Finding the Fourth Proportional to 126,811.95, 175,013.24 and 70,223.32

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Solution

The fourth proportional to 126,811.95, 175,013.24 and 70,223.32 is: 96,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,811.95 : 175,013.24 = 70,223.32 : x
  2. Step 2: Convert to fraction form
    126,811.95/175,013.24 = 70,223.32/x
  3. Step 3: Cross multiply
    126,811.95x = 175,013.24 × 70,223.32
  4. Step 4: Simplify right side
    126,811.95x = 12,290,010,756.76
  5. Step 5: Solve for x
    x = 12,290,010,756.76/126,811.95
  6. Step 6: Final answer
    x = 96,915.24

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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.