Home / 56,752.51-85,141.28-17,312.66

Finding the Fourth Proportional to 56,752.51, 85,141.28 and 17,312.66

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Solution

The fourth proportional to 56,752.51, 85,141.28 and 17,312.66 is: 25,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,752.51 : 85,141.28 = 17,312.66 : x
  2. Step 2: Convert to fraction form
    56,752.51/85,141.28 = 17,312.66/x
  3. Step 3: Cross multiply
    56,752.51x = 85,141.28 × 17,312.66
  4. Step 4: Simplify right side
    56,752.51x = 1,474,021,946.04
  5. Step 5: Solve for x
    x = 1,474,021,946.04/56,752.51
  6. Step 6: Final answer
    x = 25,972.81

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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.