Home / 108,484.02-149,699.88-63,162.36

Finding the Fourth Proportional to 108,484.02, 149,699.88 and 63,162.36

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Solution

The fourth proportional to 108,484.02, 149,699.88 and 63,162.36 is: 87,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,484.02 : 149,699.88 = 63,162.36 : x
  2. Step 2: Convert to fraction form
    108,484.02/149,699.88 = 63,162.36/x
  3. Step 3: Cross multiply
    108,484.02x = 149,699.88 × 63,162.36
  4. Step 4: Simplify right side
    108,484.02x = 9,455,397,712.52
  5. Step 5: Solve for x
    x = 9,455,397,712.52/108,484.02
  6. Step 6: Final answer
    x = 87,159.36

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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.