Home / 51,058.36-70,459.86-28,702.36

Finding the Fourth Proportional to 51,058.36, 70,459.86 and 28,702.36

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Solution

The fourth proportional to 51,058.36, 70,459.86 and 28,702.36 is: 39,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,058.36 : 70,459.86 = 28,702.36 : x
  2. Step 2: Convert to fraction form
    51,058.36/70,459.86 = 28,702.36/x
  3. Step 3: Cross multiply
    51,058.36x = 70,459.86 × 28,702.36
  4. Step 4: Simplify right side
    51,058.36x = 2,022,364,267.27
  5. Step 5: Solve for x
    x = 2,022,364,267.27/51,058.36
  6. Step 6: Final answer
    x = 39,608.88

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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.