Home / 78,774.02-108,717.48-44,787.63

Finding the Fourth Proportional to 78,774.02, 108,717.48 and 44,787.63

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Solution

The fourth proportional to 78,774.02, 108,717.48 and 44,787.63 is: 61,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,774.02 : 108,717.48 = 44,787.63 : x
  2. Step 2: Convert to fraction form
    78,774.02/108,717.48 = 44,787.63/x
  3. Step 3: Cross multiply
    78,774.02x = 108,717.48 × 44,787.63
  4. Step 4: Simplify right side
    78,774.02x = 4,869,198,268.77
  5. Step 5: Solve for x
    x = 4,869,198,268.77/78,774.02
  6. Step 6: Final answer
    x = 61,812.24

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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.