Home / 101,493.18-140,058.63-56,171.16

Finding the Fourth Proportional to 101,493.18, 140,058.63 and 56,171.16

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Solution

The fourth proportional to 101,493.18, 140,058.63 and 56,171.16 is: 77,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,493.18 : 140,058.63 = 56,171.16 : x
  2. Step 2: Convert to fraction form
    101,493.18/140,058.63 = 56,171.16/x
  3. Step 3: Cross multiply
    101,493.18x = 140,058.63 × 56,171.16
  4. Step 4: Simplify right side
    101,493.18x = 7,867,255,715.11
  5. Step 5: Solve for x
    x = 7,867,255,715.11/101,493.18
  6. Step 6: Final answer
    x = 77,515.12

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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.