Home / 127,428.02-175,854.49-70,064.37

Finding the Fourth Proportional to 127,428.02, 175,854.49 and 70,064.37

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Solution

The fourth proportional to 127,428.02, 175,854.49 and 70,064.37 is: 96,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,428.02 : 175,854.49 = 70,064.37 : x
  2. Step 2: Convert to fraction form
    127,428.02/175,854.49 = 70,064.37/x
  3. Step 3: Cross multiply
    127,428.02x = 175,854.49 × 70,064.37
  4. Step 4: Simplify right side
    127,428.02x = 12,321,133,878.36
  5. Step 5: Solve for x
    x = 12,321,133,878.36/127,428.02
  6. Step 6: Final answer
    x = 96,690.93

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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.