Home / 102,028.53-153,058.65-52,081.59

Finding the Fourth Proportional to 102,028.53, 153,058.65 and 52,081.59

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Solution

The fourth proportional to 102,028.53, 153,058.65 and 52,081.59 is: 78,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,028.53 : 153,058.65 = 52,081.59 : x
  2. Step 2: Convert to fraction form
    102,028.53/153,058.65 = 52,081.59/x
  3. Step 3: Cross multiply
    102,028.53x = 153,058.65 × 52,081.59
  4. Step 4: Simplify right side
    102,028.53x = 7,971,537,855.25
  5. Step 5: Solve for x
    x = 7,971,537,855.25/102,028.53
  6. Step 6: Final answer
    x = 78,130.48

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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.