Home / 53,028.95-79,370.34-38,985.26

Finding the Fourth Proportional to 53,028.95, 79,370.34 and 38,985.26

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Solution

The fourth proportional to 53,028.95, 79,370.34 and 38,985.26 is: 58,350.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,028.95 : 79,370.34 = 38,985.26 : x
  2. Step 2: Convert to fraction form
    53,028.95/79,370.34 = 38,985.26/x
  3. Step 3: Cross multiply
    53,028.95x = 79,370.34 × 38,985.26
  4. Step 4: Simplify right side
    53,028.95x = 3,094,272,944.34
  5. Step 5: Solve for x
    x = 3,094,272,944.34/53,028.95
  6. Step 6: Final answer
    x = 58,350.64

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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.