Home / 55,645.02-76,816.71-31,767.07

Finding the Fourth Proportional to 55,645.02, 76,816.71 and 31,767.07

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Solution

The fourth proportional to 55,645.02, 76,816.71 and 31,767.07 is: 43,853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,645.02 : 76,816.71 = 31,767.07 : x
  2. Step 2: Convert to fraction form
    55,645.02/76,816.71 = 31,767.07/x
  3. Step 3: Cross multiply
    55,645.02x = 76,816.71 × 31,767.07
  4. Step 4: Simplify right side
    55,645.02x = 2,440,241,803.74
  5. Step 5: Solve for x
    x = 2,440,241,803.74/55,645.02
  6. Step 6: Final answer
    x = 43,853.73

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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.