Home / 58,787.18-88,155.25-21,334.80

Finding the Fourth Proportional to 58,787.18, 88,155.25 and 21,334.80

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Solution

The fourth proportional to 58,787.18, 88,155.25 and 21,334.80 is: 31,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,787.18 : 88,155.25 = 21,334.80 : x
  2. Step 2: Convert to fraction form
    58,787.18/88,155.25 = 21,334.80/x
  3. Step 3: Cross multiply
    58,787.18x = 88,155.25 × 21,334.80
  4. Step 4: Simplify right side
    58,787.18x = 1,880,774,574.36
  5. Step 5: Solve for x
    x = 1,880,774,574.36/58,787.18
  6. Step 6: Final answer
    x = 31,992.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.