Home / 94,142.84-129,919.36-51,702.28

Finding the Fourth Proportional to 94,142.84, 129,919.36 and 51,702.28

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Solution

The fourth proportional to 94,142.84, 129,919.36 and 51,702.28 is: 71,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,142.84 : 129,919.36 = 51,702.28 : x
  2. Step 2: Convert to fraction form
    94,142.84/129,919.36 = 51,702.28/x
  3. Step 3: Cross multiply
    94,142.84x = 129,919.36 × 51,702.28
  4. Step 4: Simplify right side
    94,142.84x = 6,717,127,128.14
  5. Step 5: Solve for x
    x = 6,717,127,128.14/94,142.84
  6. Step 6: Final answer
    x = 71,350.38

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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.