Home / 127,824.87-176,390.38-70,461.21

Finding the Fourth Proportional to 127,824.87, 176,390.38 and 70,461.21

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Solution

The fourth proportional to 127,824.87, 176,390.38 and 70,461.21 is: 97,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,824.87 : 176,390.38 = 70,461.21 : x
  2. Step 2: Convert to fraction form
    127,824.87/176,390.38 = 70,461.21/x
  3. Step 3: Cross multiply
    127,824.87x = 176,390.38 × 70,461.21
  4. Step 4: Simplify right side
    127,824.87x = 12,428,679,607.16
  5. Step 5: Solve for x
    x = 12,428,679,607.16/127,824.87
  6. Step 6: Final answer
    x = 97,232.09

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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.