Home / 108,875.64-150,247.26-61,127.88

Finding the Fourth Proportional to 108,875.64, 150,247.26 and 61,127.88

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Solution

The fourth proportional to 108,875.64, 150,247.26 and 61,127.88 is: 84,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,875.64 : 150,247.26 = 61,127.88 : x
  2. Step 2: Convert to fraction form
    108,875.64/150,247.26 = 61,127.88/x
  3. Step 3: Cross multiply
    108,875.64x = 150,247.26 × 61,127.88
  4. Step 4: Simplify right side
    108,875.64x = 9,184,296,479.61
  5. Step 5: Solve for x
    x = 9,184,296,479.61/108,875.64
  6. Step 6: Final answer
    x = 84,355.84

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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.