Home / 108,364.88-149,554.77-62,426.10

Finding the Fourth Proportional to 108,364.88, 149,554.77 and 62,426.10

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Solution

The fourth proportional to 108,364.88, 149,554.77 and 62,426.10 is: 86,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,364.88 : 149,554.77 = 62,426.10 : x
  2. Step 2: Convert to fraction form
    108,364.88/149,554.77 = 62,426.10/x
  3. Step 3: Cross multiply
    108,364.88x = 149,554.77 × 62,426.10
  4. Step 4: Simplify right side
    108,364.88x = 9,336,121,027.50
  5. Step 5: Solve for x
    x = 9,336,121,027.50/108,364.88
  6. Step 6: Final answer
    x = 86,154.49

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1.5x scale

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.