Home / 127,427.69-175,852.28-70,069.52

Finding the Fourth Proportional to 127,427.69, 175,852.28 and 70,069.52

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Solution

The fourth proportional to 127,427.69, 175,852.28 and 70,069.52 is: 96,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,427.69 : 175,852.28 = 70,069.52 : x
  2. Step 2: Convert to fraction form
    127,427.69/175,852.28 = 70,069.52/x
  3. Step 3: Cross multiply
    127,427.69x = 175,852.28 × 70,069.52
  4. Step 4: Simplify right side
    127,427.69x = 12,321,884,850.51
  5. Step 5: Solve for x
    x = 12,321,884,850.51/127,427.69
  6. Step 6: Final answer
    x = 96,697.07

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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.