Home / 56,497.21-77,965.93-31,004

Finding the Fourth Proportional to 56,497.21, 77,965.93 and 31,004

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Solution

The fourth proportional to 56,497.21, 77,965.93 and 31,004 is: 42,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,497.21 : 77,965.93 = 31,004 : x
  2. Step 2: Convert to fraction form
    56,497.21/77,965.93 = 31,004/x
  3. Step 3: Cross multiply
    56,497.21x = 77,965.93 × 31,004
  4. Step 4: Simplify right side
    56,497.21x = 2,417,255,693.72
  5. Step 5: Solve for x
    x = 2,417,255,693.72/56,497.21
  6. Step 6: Final answer
    x = 42,785.40

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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.