Home / 81,557.44-112,549.04-45,264.37

Finding the Fourth Proportional to 81,557.44, 112,549.04 and 45,264.37

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Solution

The fourth proportional to 81,557.44, 112,549.04 and 45,264.37 is: 62,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,557.44 : 112,549.04 = 45,264.37 : x
  2. Step 2: Convert to fraction form
    81,557.44/112,549.04 = 45,264.37/x
  3. Step 3: Cross multiply
    81,557.44x = 112,549.04 × 45,264.37
  4. Step 4: Simplify right side
    81,557.44x = 5,094,460,981.41
  5. Step 5: Solve for x
    x = 5,094,460,981.41/81,557.44
  6. Step 6: Final answer
    x = 62,464.70

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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.