Home / 64,126.20-88,461.90-42,906.36

Finding the Fourth Proportional to 64,126.20, 88,461.90 and 42,906.36

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Solution

The fourth proportional to 64,126.20, 88,461.90 and 42,906.36 is: 59,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,126.20 : 88,461.90 = 42,906.36 : x
  2. Step 2: Convert to fraction form
    64,126.20/88,461.90 = 42,906.36/x
  3. Step 3: Cross multiply
    64,126.20x = 88,461.90 × 42,906.36
  4. Step 4: Simplify right side
    64,126.20x = 3,795,578,127.68
  5. Step 5: Solve for x
    x = 3,795,578,127.68/64,126.20
  6. Step 6: Final answer
    x = 59,189.19

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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.