Home / 74,937.52-103,416.74-43,106.36

Finding the Fourth Proportional to 74,937.52, 103,416.74 and 43,106.36

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Solution

The fourth proportional to 74,937.52, 103,416.74 and 43,106.36 is: 59,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,937.52 : 103,416.74 = 43,106.36 : x
  2. Step 2: Convert to fraction form
    74,937.52/103,416.74 = 43,106.36/x
  3. Step 3: Cross multiply
    74,937.52x = 103,416.74 × 43,106.36
  4. Step 4: Simplify right side
    74,937.52x = 4,457,919,224.47
  5. Step 5: Solve for x
    x = 4,457,919,224.47/74,937.52
  6. Step 6: Final answer
    x = 59,488.48

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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.