Home / 89,643.39-134,395.83-45,247.29

Finding the Fourth Proportional to 89,643.39, 134,395.83 and 45,247.29

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Solution

The fourth proportional to 89,643.39, 134,395.83 and 45,247.29 is: 67,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,643.39 : 134,395.83 = 45,247.29 : x
  2. Step 2: Convert to fraction form
    89,643.39/134,395.83 = 45,247.29/x
  3. Step 3: Cross multiply
    89,643.39x = 134,395.83 × 45,247.29
  4. Step 4: Simplify right side
    89,643.39x = 6,081,047,094.80
  5. Step 5: Solve for x
    x = 6,081,047,094.80/89,643.39
  6. Step 6: Final answer
    x = 67,835.98

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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.