Home / 127,479.12-175,935.65-73,036.49

Finding the Fourth Proportional to 127,479.12, 175,935.65 and 73,036.49

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Solution

The fourth proportional to 127,479.12, 175,935.65 and 73,036.49 is: 100,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,479.12 : 175,935.65 = 73,036.49 : x
  2. Step 2: Convert to fraction form
    127,479.12/175,935.65 = 73,036.49/x
  3. Step 3: Cross multiply
    127,479.12x = 175,935.65 × 73,036.49
  4. Step 4: Simplify right side
    127,479.12x = 12,849,721,097.01
  5. Step 5: Solve for x
    x = 12,849,721,097.01/127,479.12
  6. Step 6: Final answer
    x = 100,798.64

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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.