Home / 55,286.02-76,294.71-30,135.52

Finding the Fourth Proportional to 55,286.02, 76,294.71 and 30,135.52

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Solution

The fourth proportional to 55,286.02, 76,294.71 and 30,135.52 is: 41,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,286.02 : 76,294.71 = 30,135.52 : x
  2. Step 2: Convert to fraction form
    55,286.02/76,294.71 = 30,135.52/x
  3. Step 3: Cross multiply
    55,286.02x = 76,294.71 × 30,135.52
  4. Step 4: Simplify right side
    55,286.02x = 2,299,180,639.89
  5. Step 5: Solve for x
    x = 2,299,180,639.89/55,286.02
  6. Step 6: Final answer
    x = 41,587.02

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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.