Home / 56,226.18-77,556.29-42,767.90

Finding the Fourth Proportional to 56,226.18, 77,556.29 and 42,767.90

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Solution

The fourth proportional to 56,226.18, 77,556.29 and 42,767.90 is: 58,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,226.18 : 77,556.29 = 42,767.90 : x
  2. Step 2: Convert to fraction form
    56,226.18/77,556.29 = 42,767.90/x
  3. Step 3: Cross multiply
    56,226.18x = 77,556.29 × 42,767.90
  4. Step 4: Simplify right side
    56,226.18x = 3,316,919,053.47
  5. Step 5: Solve for x
    x = 3,316,919,053.47/56,226.18
  6. Step 6: Final answer
    x = 58,992.43

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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.