Home / 110,743.45-152,840.57-62,987.58

Finding the Fourth Proportional to 110,743.45, 152,840.57 and 62,987.58

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Solution

The fourth proportional to 110,743.45, 152,840.57 and 62,987.58 is: 86,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,743.45 : 152,840.57 = 62,987.58 : x
  2. Step 2: Convert to fraction form
    110,743.45/152,840.57 = 62,987.58/x
  3. Step 3: Cross multiply
    110,743.45x = 152,840.57 × 62,987.58
  4. Step 4: Simplify right side
    110,743.45x = 9,627,056,550.98
  5. Step 5: Solve for x
    x = 9,627,056,550.98/110,743.45
  6. Step 6: Final answer
    x = 86,931.16

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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.