Home / 54,555.02-75,274.65-31,889.63

Finding the Fourth Proportional to 54,555.02, 75,274.65 and 31,889.63

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Solution

The fourth proportional to 54,555.02, 75,274.65 and 31,889.63 is: 44,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555.02 : 75,274.65 = 31,889.63 : x
  2. Step 2: Convert to fraction form
    54,555.02/75,274.65 = 31,889.63/x
  3. Step 3: Cross multiply
    54,555.02x = 75,274.65 × 31,889.63
  4. Step 4: Simplify right side
    54,555.02x = 2,400,480,648.57
  5. Step 5: Solve for x
    x = 2,400,480,648.57/54,555.02
  6. Step 6: Final answer
    x = 44,001.09

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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.