Home / 127,282.75-175,653.84-70,697.77

Finding the Fourth Proportional to 127,282.75, 175,653.84 and 70,697.77

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Solution

The fourth proportional to 127,282.75, 175,653.84 and 70,697.77 is: 97,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,282.75 : 175,653.84 = 70,697.77 : x
  2. Step 2: Convert to fraction form
    127,282.75/175,653.84 = 70,697.77/x
  3. Step 3: Cross multiply
    127,282.75x = 175,653.84 × 70,697.77
  4. Step 4: Simplify right side
    127,282.75x = 12,418,334,779.94
  5. Step 5: Solve for x
    x = 12,418,334,779.94/127,282.75
  6. Step 6: Final answer
    x = 97,564.95

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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.