Home / 55,587.60-83,381.40-52,131.60

Finding the Fourth Proportional to 55,587.60, 83,381.40 and 52,131.60

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Solution

The fourth proportional to 55,587.60, 83,381.40 and 52,131.60 is: 78,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.60 : 83,381.40 = 52,131.60 : x
  2. Step 2: Convert to fraction form
    55,587.60/83,381.40 = 52,131.60/x
  3. Step 3: Cross multiply
    55,587.60x = 83,381.40 × 52,131.60
  4. Step 4: Simplify right side
    55,587.60x = 4,346,805,792.24
  5. Step 5: Solve for x
    x = 4,346,805,792.24/55,587.60
  6. Step 6: Final answer
    x = 78,197.40

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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.