Home / 89,210.30-133,815.56-30,041.02

Finding the Fourth Proportional to 89,210.30, 133,815.56 and 30,041.02

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Solution

The fourth proportional to 89,210.30, 133,815.56 and 30,041.02 is: 45,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,210.30 : 133,815.56 = 30,041.02 : x
  2. Step 2: Convert to fraction form
    89,210.30/133,815.56 = 30,041.02/x
  3. Step 3: Cross multiply
    89,210.30x = 133,815.56 × 30,041.02
  4. Step 4: Simplify right side
    89,210.30x = 4,019,955,429.53
  5. Step 5: Solve for x
    x = 4,019,955,429.53/89,210.30
  6. Step 6: Final answer
    x = 45,061.56

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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.