Home / 75,021.51-112,407.32-52,788.18

Finding the Fourth Proportional to 75,021.51, 112,407.32 and 52,788.18

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Solution

The fourth proportional to 75,021.51, 112,407.32 and 52,788.18 is: 79,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,021.51 : 112,407.32 = 52,788.18 : x
  2. Step 2: Convert to fraction form
    75,021.51/112,407.32 = 52,788.18/x
  3. Step 3: Cross multiply
    75,021.51x = 112,407.32 × 52,788.18
  4. Step 4: Simplify right side
    75,021.51x = 5,933,777,279.44
  5. Step 5: Solve for x
    x = 5,933,777,279.44/75,021.51
  6. Step 6: Final answer
    x = 79,094.35

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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.