Home / 94,143.36-129,920.10-51,702.81

Finding the Fourth Proportional to 94,143.36, 129,920.10 and 51,702.81

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Solution

The fourth proportional to 94,143.36, 129,920.10 and 51,702.81 is: 71,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,143.36 : 129,920.10 = 51,702.81 : x
  2. Step 2: Convert to fraction form
    94,143.36/129,920.10 = 51,702.81/x
  3. Step 3: Cross multiply
    94,143.36x = 129,920.10 × 51,702.81
  4. Step 4: Simplify right side
    94,143.36x = 6,717,233,855.22
  5. Step 5: Solve for x
    x = 6,717,233,855.22/94,143.36
  6. Step 6: Final answer
    x = 71,351.11

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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.