Home / 81,220.14-112,097.64-47,248.34

Finding the Fourth Proportional to 81,220.14, 112,097.64 and 47,248.34

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Solution

The fourth proportional to 81,220.14, 112,097.64 and 47,248.34 is: 65,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,220.14 : 112,097.64 = 47,248.34 : x
  2. Step 2: Convert to fraction form
    81,220.14/112,097.64 = 47,248.34/x
  3. Step 3: Cross multiply
    81,220.14x = 112,097.64 × 47,248.34
  4. Step 4: Simplify right side
    81,220.14x = 5,296,427,407.92
  5. Step 5: Solve for x
    x = 5,296,427,407.92/81,220.14
  6. Step 6: Final answer
    x = 65,210.76

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1.5x scale

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.