Home / 56,151.54-77,396.80-39,804.22

Finding the Fourth Proportional to 56,151.54, 77,396.80 and 39,804.22

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Solution

The fourth proportional to 56,151.54, 77,396.80 and 39,804.22 is: 54,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,151.54 : 77,396.80 = 39,804.22 : x
  2. Step 2: Convert to fraction form
    56,151.54/77,396.80 = 39,804.22/x
  3. Step 3: Cross multiply
    56,151.54x = 77,396.80 × 39,804.22
  4. Step 4: Simplify right side
    56,151.54x = 3,080,719,254.50
  5. Step 5: Solve for x
    x = 3,080,719,254.50/56,151.54
  6. Step 6: Final answer
    x = 54,864.38

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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.