Home / 54,885.02-75,743.76-31,012.08

Finding the Fourth Proportional to 54,885.02, 75,743.76 and 31,012.08

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Solution

The fourth proportional to 54,885.02, 75,743.76 and 31,012.08 is: 42,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.02 : 75,743.76 = 31,012.08 : x
  2. Step 2: Convert to fraction form
    54,885.02/75,743.76 = 31,012.08/x
  3. Step 3: Cross multiply
    54,885.02x = 75,743.76 × 31,012.08
  4. Step 4: Simplify right side
    54,885.02x = 2,348,971,544.62
  5. Step 5: Solve for x
    x = 2,348,971,544.62/54,885.02
  6. Step 6: Final answer
    x = 42,798.05

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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.