Home / 89,739.48-134,631.18-45,365.22

Finding the Fourth Proportional to 89,739.48, 134,631.18 and 45,365.22

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Solution

The fourth proportional to 89,739.48, 134,631.18 and 45,365.22 is: 68,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,739.48 : 134,631.18 = 45,365.22 : x
  2. Step 2: Convert to fraction form
    89,739.48/134,631.18 = 45,365.22/x
  3. Step 3: Cross multiply
    89,739.48x = 134,631.18 × 45,365.22
  4. Step 4: Simplify right side
    89,739.48x = 6,107,573,099.56
  5. Step 5: Solve for x
    x = 6,107,573,099.56/89,739.48
  6. Step 6: Final answer
    x = 68,058.93

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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.