Home / 81,564.29-112,535.58-47,574.26

Finding the Fourth Proportional to 81,564.29, 112,535.58 and 47,574.26

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Solution

The fourth proportional to 81,564.29, 112,535.58 and 47,574.26 is: 65,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,564.29 : 112,535.58 = 47,574.26 : x
  2. Step 2: Convert to fraction form
    81,564.29/112,535.58 = 47,574.26/x
  3. Step 3: Cross multiply
    81,564.29x = 112,535.58 × 47,574.26
  4. Step 4: Simplify right side
    81,564.29x = 5,353,796,942.17
  5. Step 5: Solve for x
    x = 5,353,796,942.17/81,564.29
  6. Step 6: Final answer
    x = 65,638.98

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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.