Home / 45,948.31-68,791.02-31,130.93

Finding the Fourth Proportional to 45,948.31, 68,791.02 and 31,130.93

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Solution

The fourth proportional to 45,948.31, 68,791.02 and 31,130.93 is: 46,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,948.31 : 68,791.02 = 31,130.93 : x
  2. Step 2: Convert to fraction form
    45,948.31/68,791.02 = 31,130.93/x
  3. Step 3: Cross multiply
    45,948.31x = 68,791.02 × 31,130.93
  4. Step 4: Simplify right side
    45,948.31x = 2,141,528,658.60
  5. Step 5: Solve for x
    x = 2,141,528,658.60/45,948.31
  6. Step 6: Final answer
    x = 46,607.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.