Home / 134,681.66-202,070.85-57,712.36

Finding the Fourth Proportional to 134,681.66, 202,070.85 and 57,712.36

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Solution

The fourth proportional to 134,681.66, 202,070.85 and 57,712.36 is: 86,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,681.66 : 202,070.85 = 57,712.36 : x
  2. Step 2: Convert to fraction form
    134,681.66/202,070.85 = 57,712.36/x
  3. Step 3: Cross multiply
    134,681.66x = 202,070.85 × 57,712.36
  4. Step 4: Simplify right side
    134,681.66x = 11,661,985,135.53
  5. Step 5: Solve for x
    x = 11,661,985,135.53/134,681.66
  6. Step 6: Final answer
    x = 86,589.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.