Home / 58,934.32-81,381.24-40,116.40

Finding the Fourth Proportional to 58,934.32, 81,381.24 and 40,116.40

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Solution

The fourth proportional to 58,934.32, 81,381.24 and 40,116.40 is: 55,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,934.32 : 81,381.24 = 40,116.40 : x
  2. Step 2: Convert to fraction form
    58,934.32/81,381.24 = 40,116.40/x
  3. Step 3: Cross multiply
    58,934.32x = 81,381.24 × 40,116.40
  4. Step 4: Simplify right side
    58,934.32x = 3,264,722,376.34
  5. Step 5: Solve for x
    x = 3,264,722,376.34/58,934.32
  6. Step 6: Final answer
    x = 55,395.95

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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.