Home / 101,977.34-152,931.48-38,782.44

Finding the Fourth Proportional to 101,977.34, 152,931.48 and 38,782.44

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Solution

The fourth proportional to 101,977.34, 152,931.48 and 38,782.44 is: 58,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,977.34 : 152,931.48 = 38,782.44 : x
  2. Step 2: Convert to fraction form
    101,977.34/152,931.48 = 38,782.44/x
  3. Step 3: Cross multiply
    101,977.34x = 152,931.48 × 38,782.44
  4. Step 4: Simplify right side
    101,977.34x = 5,931,055,947.21
  5. Step 5: Solve for x
    x = 5,931,055,947.21/101,977.34
  6. Step 6: Final answer
    x = 58,160.53

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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.