Home / 99,742.08-137,625.19-59,459.63

Finding the Fourth Proportional to 99,742.08, 137,625.19 and 59,459.63

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Solution

The fourth proportional to 99,742.08, 137,625.19 and 59,459.63 is: 82,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,742.08 : 137,625.19 = 59,459.63 : x
  2. Step 2: Convert to fraction form
    99,742.08/137,625.19 = 59,459.63/x
  3. Step 3: Cross multiply
    99,742.08x = 137,625.19 × 59,459.63
  4. Step 4: Simplify right side
    99,742.08x = 8,183,143,071.49
  5. Step 5: Solve for x
    x = 8,183,143,071.49/99,742.08
  6. Step 6: Final answer
    x = 82,043.04

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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.