Home / 75,718.84-104,490.57-41,730.46

Finding the Fourth Proportional to 75,718.84, 104,490.57 and 41,730.46

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Solution

The fourth proportional to 75,718.84, 104,490.57 and 41,730.46 is: 57,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,718.84 : 104,490.57 = 41,730.46 : x
  2. Step 2: Convert to fraction form
    75,718.84/104,490.57 = 41,730.46/x
  3. Step 3: Cross multiply
    75,718.84x = 104,490.57 × 41,730.46
  4. Step 4: Simplify right side
    75,718.84x = 4,360,439,551.76
  5. Step 5: Solve for x
    x = 4,360,439,551.76/75,718.84
  6. Step 6: Final answer
    x = 57,587.25

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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.