Home / 61,665.42-92,420.25-51,401.10

Finding the Fourth Proportional to 61,665.42, 92,420.25 and 51,401.10

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Solution

The fourth proportional to 61,665.42, 92,420.25 and 51,401.10 is: 77,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,665.42 : 92,420.25 = 51,401.10 : x
  2. Step 2: Convert to fraction form
    61,665.42/92,420.25 = 51,401.10/x
  3. Step 3: Cross multiply
    61,665.42x = 92,420.25 × 51,401.10
  4. Step 4: Simplify right side
    61,665.42x = 4,750,502,512.28
  5. Step 5: Solve for x
    x = 4,750,502,512.28/61,665.42
  6. Step 6: Final answer
    x = 77,036.73

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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.