Home / 57,083.48-78,806.87-34,428.18

Finding the Fourth Proportional to 57,083.48, 78,806.87 and 34,428.18

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Solution

The fourth proportional to 57,083.48, 78,806.87 and 34,428.18 is: 47,529.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,083.48 : 78,806.87 = 34,428.18 : x
  2. Step 2: Convert to fraction form
    57,083.48/78,806.87 = 34,428.18/x
  3. Step 3: Cross multiply
    57,083.48x = 78,806.87 × 34,428.18
  4. Step 4: Simplify right side
    57,083.48x = 2,713,176,933.46
  5. Step 5: Solve for x
    x = 2,713,176,933.46/57,083.48
  6. Step 6: Final answer
    x = 47,529.99

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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.