Home / 56,858.85-78,465.20-32,987.25

Finding the Fourth Proportional to 56,858.85, 78,465.20 and 32,987.25

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Solution

The fourth proportional to 56,858.85, 78,465.20 and 32,987.25 is: 45,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,858.85 : 78,465.20 = 32,987.25 : x
  2. Step 2: Convert to fraction form
    56,858.85/78,465.20 = 32,987.25/x
  3. Step 3: Cross multiply
    56,858.85x = 78,465.20 × 32,987.25
  4. Step 4: Simplify right side
    56,858.85x = 2,588,351,003.76
  5. Step 5: Solve for x
    x = 2,588,351,003.76/56,858.85
  6. Step 6: Final answer
    x = 45,522.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.