Home / 56,348.03-77,762.90-31,198.07

Finding the Fourth Proportional to 56,348.03, 77,762.90 and 31,198.07

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Solution

The fourth proportional to 56,348.03, 77,762.90 and 31,198.07 is: 43,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,348.03 : 77,762.90 = 31,198.07 : x
  2. Step 2: Convert to fraction form
    56,348.03/77,762.90 = 31,198.07/x
  3. Step 3: Cross multiply
    56,348.03x = 77,762.90 × 31,198.07
  4. Step 4: Simplify right side
    56,348.03x = 2,426,052,397.60
  5. Step 5: Solve for x
    x = 2,426,052,397.60/56,348.03
  6. Step 6: Final answer
    x = 43,054.79

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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.