Home / 58,163.13-87,130.49-38,381.31

Finding the Fourth Proportional to 58,163.13, 87,130.49 and 38,381.31

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Solution

The fourth proportional to 58,163.13, 87,130.49 and 38,381.31 is: 57,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,163.13 : 87,130.49 = 38,381.31 : x
  2. Step 2: Convert to fraction form
    58,163.13/87,130.49 = 38,381.31/x
  3. Step 3: Cross multiply
    58,163.13x = 87,130.49 × 38,381.31
  4. Step 4: Simplify right side
    58,163.13x = 3,344,182,155.24
  5. Step 5: Solve for x
    x = 3,344,182,155.24/58,163.13
  6. Step 6: Final answer
    x = 57,496.60

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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.