Home / 81,551.04-112,762.44-71,053.44

Finding the Fourth Proportional to 81,551.04, 112,762.44 and 71,053.44

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Solution

The fourth proportional to 81,551.04, 112,762.44 and 71,053.44 is: 98,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,551.04 : 112,762.44 = 71,053.44 : x
  2. Step 2: Convert to fraction form
    81,551.04/112,762.44 = 71,053.44/x
  3. Step 3: Cross multiply
    81,551.04x = 112,762.44 × 71,053.44
  4. Step 4: Simplify right side
    81,551.04x = 8,012,159,264.79
  5. Step 5: Solve for x
    x = 8,012,159,264.79/81,551.04
  6. Step 6: Final answer
    x = 98,247.17

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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.