Home / 99,183.86-136,915.63-66,962.12

Finding the Fourth Proportional to 99,183.86, 136,915.63 and 66,962.12

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Solution

The fourth proportional to 99,183.86, 136,915.63 and 66,962.12 is: 92,436.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,183.86 : 136,915.63 = 66,962.12 : x
  2. Step 2: Convert to fraction form
    99,183.86/136,915.63 = 66,962.12/x
  3. Step 3: Cross multiply
    99,183.86x = 136,915.63 × 66,962.12
  4. Step 4: Simplify right side
    99,183.86x = 9,168,160,911.13
  5. Step 5: Solve for x
    x = 9,168,160,911.13/99,183.86
  6. Step 6: Final answer
    x = 92,436.01

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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.