Home / 56,927.84-78,386.51-51,587.92

Finding the Fourth Proportional to 56,927.84, 78,386.51 and 51,587.92

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Solution

The fourth proportional to 56,927.84, 78,386.51 and 51,587.92 is: 71,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,927.84 : 78,386.51 = 51,587.92 : x
  2. Step 2: Convert to fraction form
    56,927.84/78,386.51 = 51,587.92/x
  3. Step 3: Cross multiply
    56,927.84x = 78,386.51 × 51,587.92
  4. Step 4: Simplify right side
    56,927.84x = 4,043,796,615.03
  5. Step 5: Solve for x
    x = 4,043,796,615.03/56,927.84
  6. Step 6: Final answer
    x = 71,033.73

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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.