Home / 127,430.14-175,857.42-70,066.50

Finding the Fourth Proportional to 127,430.14, 175,857.42 and 70,066.50

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Solution

The fourth proportional to 127,430.14, 175,857.42 and 70,066.50 is: 96,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,430.14 : 175,857.42 = 70,066.50 : x
  2. Step 2: Convert to fraction form
    127,430.14/175,857.42 = 70,066.50/x
  3. Step 3: Cross multiply
    127,430.14x = 175,857.42 × 70,066.50
  4. Step 4: Simplify right side
    127,430.14x = 12,321,713,918.43
  5. Step 5: Solve for x
    x = 12,321,713,918.43/127,430.14
  6. Step 6: Final answer
    x = 96,693.87

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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.