Home / 108,497.49-149,744.26-64,887.18

Finding the Fourth Proportional to 108,497.49, 149,744.26 and 64,887.18

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Solution

The fourth proportional to 108,497.49, 149,744.26 and 64,887.18 is: 89,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,497.49 : 149,744.26 = 64,887.18 : x
  2. Step 2: Convert to fraction form
    108,497.49/149,744.26 = 64,887.18/x
  3. Step 3: Cross multiply
    108,497.49x = 149,744.26 × 64,887.18
  4. Step 4: Simplify right side
    108,497.49x = 9,716,482,752.59
  5. Step 5: Solve for x
    x = 9,716,482,752.59/108,497.49
  6. Step 6: Final answer
    x = 89,554.91

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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.