Home / 57,801.18-86,703.55-15,681.09

Finding the Fourth Proportional to 57,801.18, 86,703.55 and 15,681.09

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Solution

The fourth proportional to 57,801.18, 86,703.55 and 15,681.09 is: 23,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,801.18 : 86,703.55 = 15,681.09 : x
  2. Step 2: Convert to fraction form
    57,801.18/86,703.55 = 15,681.09/x
  3. Step 3: Cross multiply
    57,801.18x = 86,703.55 × 15,681.09
  4. Step 4: Simplify right side
    57,801.18x = 1,359,606,456.81
  5. Step 5: Solve for x
    x = 1,359,606,456.81/57,801.18
  6. Step 6: Final answer
    x = 23,522.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.