Home / 58,726.19-81,041.45-31,868.48

Finding the Fourth Proportional to 58,726.19, 81,041.45 and 31,868.48

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Solution

The fourth proportional to 58,726.19, 81,041.45 and 31,868.48 is: 43,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,726.19 : 81,041.45 = 31,868.48 : x
  2. Step 2: Convert to fraction form
    58,726.19/81,041.45 = 31,868.48/x
  3. Step 3: Cross multiply
    58,726.19x = 81,041.45 × 31,868.48
  4. Step 4: Simplify right side
    58,726.19x = 2,582,667,871.76
  5. Step 5: Solve for x
    x = 2,582,667,871.76/58,726.19
  6. Step 6: Final answer
    x = 43,978.13

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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.