Home / 51,570.36-77,384.16-27,877.32

Finding the Fourth Proportional to 51,570.36, 77,384.16 and 27,877.32

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Solution

The fourth proportional to 51,570.36, 77,384.16 and 27,877.32 is: 41,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,570.36 : 77,384.16 = 27,877.32 : x
  2. Step 2: Convert to fraction form
    51,570.36/77,384.16 = 27,877.32/x
  3. Step 3: Cross multiply
    51,570.36x = 77,384.16 × 27,877.32
  4. Step 4: Simplify right side
    51,570.36x = 2,157,262,991.25
  5. Step 5: Solve for x
    x = 2,157,262,991.25/51,570.36
  6. Step 6: Final answer
    x = 41,831.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.