Home / 127,271.12-175,623.86-73,559.61

Finding the Fourth Proportional to 127,271.12, 175,623.86 and 73,559.61

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Solution

The fourth proportional to 127,271.12, 175,623.86 and 73,559.61 is: 101,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,271.12 : 175,623.86 = 73,559.61 : x
  2. Step 2: Convert to fraction form
    127,271.12/175,623.86 = 73,559.61/x
  3. Step 3: Cross multiply
    127,271.12x = 175,623.86 × 73,559.61
  4. Step 4: Simplify right side
    127,271.12x = 12,918,822,832.19
  5. Step 5: Solve for x
    x = 12,918,822,832.19/127,271.12
  6. Step 6: Final answer
    x = 101,506.32

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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.