Home / 81,537.77-112,417.96-52,806.67

Finding the Fourth Proportional to 81,537.77, 112,417.96 and 52,806.67

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Solution

The fourth proportional to 81,537.77, 112,417.96 and 52,806.67 is: 72,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,537.77 : 112,417.96 = 52,806.67 : x
  2. Step 2: Convert to fraction form
    81,537.77/112,417.96 = 52,806.67/x
  3. Step 3: Cross multiply
    81,537.77x = 112,417.96 × 52,806.67
  4. Step 4: Simplify right side
    81,537.77x = 5,936,417,289.67
  5. Step 5: Solve for x
    x = 5,936,417,289.67/81,537.77
  6. Step 6: Final answer
    x = 72,805.74

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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.