Home / 48,118.71-72,178.13-13,058.37

Finding the Fourth Proportional to 48,118.71, 72,178.13 and 13,058.37

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Solution

The fourth proportional to 48,118.71, 72,178.13 and 13,058.37 is: 19,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,118.71 : 72,178.13 = 13,058.37 : x
  2. Step 2: Convert to fraction form
    48,118.71/72,178.13 = 13,058.37/x
  3. Step 3: Cross multiply
    48,118.71x = 72,178.13 × 13,058.37
  4. Step 4: Simplify right side
    48,118.71x = 942,528,662.16
  5. Step 5: Solve for x
    x = 942,528,662.16/48,118.71
  6. Step 6: Final answer
    x = 19,587.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.