Home / 56,521.74-77,996.91-31,369.74

Finding the Fourth Proportional to 56,521.74, 77,996.91 and 31,369.74

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Solution

The fourth proportional to 56,521.74, 77,996.91 and 31,369.74 is: 43,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,521.74 : 77,996.91 = 31,369.74 : x
  2. Step 2: Convert to fraction form
    56,521.74/77,996.91 = 31,369.74/x
  3. Step 3: Cross multiply
    56,521.74x = 77,996.91 × 31,369.74
  4. Step 4: Simplify right side
    56,521.74x = 2,446,742,787.50
  5. Step 5: Solve for x
    x = 2,446,742,787.50/56,521.74
  6. Step 6: Final answer
    x = 43,288.53

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1.5x scale

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.