Home / 56,417.51-77,891.57-36,309.33

Finding the Fourth Proportional to 56,417.51, 77,891.57 and 36,309.33

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Solution

The fourth proportional to 56,417.51, 77,891.57 and 36,309.33 is: 50,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,417.51 : 77,891.57 = 36,309.33 : x
  2. Step 2: Convert to fraction form
    56,417.51/77,891.57 = 36,309.33/x
  3. Step 3: Cross multiply
    56,417.51x = 77,891.57 × 36,309.33
  4. Step 4: Simplify right side
    56,417.51x = 2,828,190,537.80
  5. Step 5: Solve for x
    x = 2,828,190,537.80/56,417.51
  6. Step 6: Final answer
    x = 50,129.66

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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.