Home / 58,727.61-81,044.70-31,870.35

Finding the Fourth Proportional to 58,727.61, 81,044.70 and 31,870.35

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Solution

The fourth proportional to 58,727.61, 81,044.70 and 31,870.35 is: 43,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,727.61 : 81,044.70 = 31,870.35 : x
  2. Step 2: Convert to fraction form
    58,727.61/81,044.70 = 31,870.35/x
  3. Step 3: Cross multiply
    58,727.61x = 81,044.70 × 31,870.35
  4. Step 4: Simplify right side
    58,727.61x = 2,582,922,835.13
  5. Step 5: Solve for x
    x = 2,582,922,835.13/58,727.61
  6. Step 6: Final answer
    x = 43,981.41

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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.