Home / 89,389.71-134,101.85-30,235.01

Finding the Fourth Proportional to 89,389.71, 134,101.85 and 30,235.01

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Solution

The fourth proportional to 89,389.71, 134,101.85 and 30,235.01 is: 45,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,389.71 : 134,101.85 = 30,235.01 : x
  2. Step 2: Convert to fraction form
    89,389.71/134,101.85 = 30,235.01/x
  3. Step 3: Cross multiply
    89,389.71x = 134,101.85 × 30,235.01
  4. Step 4: Simplify right side
    89,389.71x = 4,054,569,954.08
  5. Step 5: Solve for x
    x = 4,054,569,954.08/89,389.71
  6. Step 6: Final answer
    x = 45,358.35

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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.