Home / 89,203.32-133,810.02-39,306.72

Finding the Fourth Proportional to 89,203.32, 133,810.02 and 39,306.72

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Solution

The fourth proportional to 89,203.32, 133,810.02 and 39,306.72 is: 58,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,203.32 : 133,810.02 = 39,306.72 : x
  2. Step 2: Convert to fraction form
    89,203.32/133,810.02 = 39,306.72/x
  3. Step 3: Cross multiply
    89,203.32x = 133,810.02 × 39,306.72
  4. Step 4: Simplify right side
    89,203.32x = 5,259,632,989.33
  5. Step 5: Solve for x
    x = 5,259,632,989.33/89,203.32
  6. Step 6: Final answer
    x = 58,962.30

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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.