Home / 108,746.72-150,039.62-63,426.68

Finding the Fourth Proportional to 108,746.72, 150,039.62 and 63,426.68

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Solution

The fourth proportional to 108,746.72, 150,039.62 and 63,426.68 is: 87,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,746.72 : 150,039.62 = 63,426.68 : x
  2. Step 2: Convert to fraction form
    108,746.72/150,039.62 = 63,426.68/x
  3. Step 3: Cross multiply
    108,746.72x = 150,039.62 × 63,426.68
  4. Step 4: Simplify right side
    108,746.72x = 9,516,514,965.06
  5. Step 5: Solve for x
    x = 9,516,514,965.06/108,746.72
  6. Step 6: Final answer
    x = 87,510.82

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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.