Home / 57,032.31-78,702.33-31,537.02

Finding the Fourth Proportional to 57,032.31, 78,702.33 and 31,537.02

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Solution

The fourth proportional to 57,032.31, 78,702.33 and 31,537.02 is: 43,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,032.31 : 78,702.33 = 31,537.02 : x
  2. Step 2: Convert to fraction form
    57,032.31/78,702.33 = 31,537.02/x
  3. Step 3: Cross multiply
    57,032.31x = 78,702.33 × 31,537.02
  4. Step 4: Simplify right side
    57,032.31x = 2,482,036,955.26
  5. Step 5: Solve for x
    x = 2,482,036,955.26/57,032.31
  6. Step 6: Final answer
    x = 43,519.84

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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.