Home / 127,427.56-175,854.54-70,071.24

Finding the Fourth Proportional to 127,427.56, 175,854.54 and 70,071.24

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Solution

The fourth proportional to 127,427.56, 175,854.54 and 70,071.24 is: 96,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,427.56 : 175,854.54 = 70,071.24 : x
  2. Step 2: Convert to fraction form
    127,427.56/175,854.54 = 70,071.24/x
  3. Step 3: Cross multiply
    127,427.56x = 175,854.54 × 70,071.24
  4. Step 4: Simplify right side
    127,427.56x = 12,322,346,599.65
  5. Step 5: Solve for x
    x = 12,322,346,599.65/127,427.56
  6. Step 6: Final answer
    x = 96,700.80

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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.