Home / 110,110.36-151,962.90-61,712.05

Finding the Fourth Proportional to 110,110.36, 151,962.90 and 61,712.05

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Solution

The fourth proportional to 110,110.36, 151,962.90 and 61,712.05 is: 85,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,110.36 : 151,962.90 = 61,712.05 : x
  2. Step 2: Convert to fraction form
    110,110.36/151,962.90 = 61,712.05/x
  3. Step 3: Cross multiply
    110,110.36x = 151,962.90 × 61,712.05
  4. Step 4: Simplify right side
    110,110.36x = 9,377,941,774.38
  5. Step 5: Solve for x
    x = 9,377,941,774.38/110,110.36
  6. Step 6: Final answer
    x = 85,168.57

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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.