Home / 94,703.21-130,717.75-55,976.91

Finding the Fourth Proportional to 94,703.21, 130,717.75 and 55,976.91

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Solution

The fourth proportional to 94,703.21, 130,717.75 and 55,976.91 is: 77,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,703.21 : 130,717.75 = 55,976.91 : x
  2. Step 2: Convert to fraction form
    94,703.21/130,717.75 = 55,976.91/x
  3. Step 3: Cross multiply
    94,703.21x = 130,717.75 × 55,976.91
  4. Step 4: Simplify right side
    94,703.21x = 7,317,175,727.15
  5. Step 5: Solve for x
    x = 7,317,175,727.15/94,703.21
  6. Step 6: Final answer
    x = 77,264.28

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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.