Home / 58,717.95-81,031.11-31,860.51

Finding the Fourth Proportional to 58,717.95, 81,031.11 and 31,860.51

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Solution

The fourth proportional to 58,717.95, 81,031.11 and 31,860.51 is: 43,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,717.95 : 81,031.11 = 31,860.51 : x
  2. Step 2: Convert to fraction form
    58,717.95/81,031.11 = 31,860.51/x
  3. Step 3: Cross multiply
    58,717.95x = 81,031.11 × 31,860.51
  4. Step 4: Simplify right side
    58,717.95x = 2,581,692,490.47
  5. Step 5: Solve for x
    x = 2,581,692,490.47/58,717.95
  6. Step 6: Final answer
    x = 43,967.69

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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.