Home / 56,497.14-77,967.51-31,004.61

Finding the Fourth Proportional to 56,497.14, 77,967.51 and 31,004.61

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Solution

The fourth proportional to 56,497.14, 77,967.51 and 31,004.61 is: 42,787.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,497.14 : 77,967.51 = 31,004.61 : x
  2. Step 2: Convert to fraction form
    56,497.14/77,967.51 = 31,004.61/x
  3. Step 3: Cross multiply
    56,497.14x = 77,967.51 × 31,004.61
  4. Step 4: Simplify right side
    56,497.14x = 2,417,352,240.22
  5. Step 5: Solve for x
    x = 2,417,352,240.22/56,497.14
  6. Step 6: Final answer
    x = 42,787.16

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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.