Home / 108,881.93-150,256.96-61,135.47

Finding the Fourth Proportional to 108,881.93, 150,256.96 and 61,135.47

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Solution

The fourth proportional to 108,881.93, 150,256.96 and 61,135.47 is: 84,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,881.93 : 150,256.96 = 61,135.47 : x
  2. Step 2: Convert to fraction form
    108,881.93/150,256.96 = 61,135.47/x
  3. Step 3: Cross multiply
    108,881.93x = 150,256.96 × 61,135.47
  4. Step 4: Simplify right side
    108,881.93x = 9,186,029,717.53
  5. Step 5: Solve for x
    x = 9,186,029,717.53/108,881.93
  6. Step 6: Final answer
    x = 84,366.89

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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.