Home / 58,722.95-81,037.26-31,864.78

Finding the Fourth Proportional to 58,722.95, 81,037.26 and 31,864.78

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Solution

The fourth proportional to 58,722.95, 81,037.26 and 31,864.78 is: 43,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,722.95 : 81,037.26 = 31,864.78 : x
  2. Step 2: Convert to fraction form
    58,722.95/81,037.26 = 31,864.78/x
  3. Step 3: Cross multiply
    58,722.95x = 81,037.26 × 31,864.78
  4. Step 4: Simplify right side
    58,722.95x = 2,582,234,056.52
  5. Step 5: Solve for x
    x = 2,582,234,056.52/58,722.95
  6. Step 6: Final answer
    x = 43,973.17

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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.