Home / 56,957.90-78,601.59-31,466.02

Finding the Fourth Proportional to 56,957.90, 78,601.59 and 31,466.02

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Solution

The fourth proportional to 56,957.90, 78,601.59 and 31,466.02 is: 43,422.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,957.90 : 78,601.59 = 31,466.02 : x
  2. Step 2: Convert to fraction form
    56,957.90/78,601.59 = 31,466.02/x
  3. Step 3: Cross multiply
    56,957.90x = 78,601.59 × 31,466.02
  4. Step 4: Simplify right side
    56,957.90x = 2,473,279,153.85
  5. Step 5: Solve for x
    x = 2,473,279,153.85/56,957.90
  6. Step 6: Final answer
    x = 43,422.93

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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.