Home / 56,117.44-77,442.48-30,967.84

Finding the Fourth Proportional to 56,117.44, 77,442.48 and 30,967.84

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Solution

The fourth proportional to 56,117.44, 77,442.48 and 30,967.84 is: 42,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,117.44 : 77,442.48 = 30,967.84 : x
  2. Step 2: Convert to fraction form
    56,117.44/77,442.48 = 30,967.84/x
  3. Step 3: Cross multiply
    56,117.44x = 77,442.48 × 30,967.84
  4. Step 4: Simplify right side
    56,117.44x = 2,398,226,329.84
  5. Step 5: Solve for x
    x = 2,398,226,329.84/56,117.44
  6. Step 6: Final answer
    x = 42,735.85

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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.