Home / 55,895.24-77,135.08-31,700.80

Finding the Fourth Proportional to 55,895.24, 77,135.08 and 31,700.80

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Solution

The fourth proportional to 55,895.24, 77,135.08 and 31,700.80 is: 43,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,895.24 : 77,135.08 = 31,700.80 : x
  2. Step 2: Convert to fraction form
    55,895.24/77,135.08 = 31,700.80/x
  3. Step 3: Cross multiply
    55,895.24x = 77,135.08 × 31,700.80
  4. Step 4: Simplify right side
    55,895.24x = 2,445,243,744.06
  5. Step 5: Solve for x
    x = 2,445,243,744.06/55,895.24
  6. Step 6: Final answer
    x = 43,746.90

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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.