Home / 55,854.64-77,079.02-30,360.36

Finding the Fourth Proportional to 55,854.64, 77,079.02 and 30,360.36

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Solution

The fourth proportional to 55,854.64, 77,079.02 and 30,360.36 is: 41,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,854.64 : 77,079.02 = 30,360.36 : x
  2. Step 2: Convert to fraction form
    55,854.64/77,079.02 = 30,360.36/x
  3. Step 3: Cross multiply
    55,854.64x = 77,079.02 × 30,360.36
  4. Step 4: Simplify right side
    55,854.64x = 2,340,146,795.65
  5. Step 5: Solve for x
    x = 2,340,146,795.65/55,854.64
  6. Step 6: Final answer
    x = 41,897.09

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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.