Home / 55,621.59-76,771.53-31,762.10

Finding the Fourth Proportional to 55,621.59, 76,771.53 and 31,762.10

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Solution

The fourth proportional to 55,621.59, 76,771.53 and 31,762.10 is: 43,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,621.59 : 76,771.53 = 31,762.10 : x
  2. Step 2: Convert to fraction form
    55,621.59/76,771.53 = 31,762.10/x
  3. Step 3: Cross multiply
    55,621.59x = 76,771.53 × 31,762.10
  4. Step 4: Simplify right side
    55,621.59x = 2,438,425,204.94
  5. Step 5: Solve for x
    x = 2,438,425,204.94/55,621.59
  6. Step 6: Final answer
    x = 43,839.55

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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.