Home / 89,761.15-134,477.70-73,030.60

Finding the Fourth Proportional to 89,761.15, 134,477.70 and 73,030.60

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Solution

The fourth proportional to 89,761.15, 134,477.70 and 73,030.60 is: 109,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,761.15 : 134,477.70 = 73,030.60 : x
  2. Step 2: Convert to fraction form
    89,761.15/134,477.70 = 73,030.60/x
  3. Step 3: Cross multiply
    89,761.15x = 134,477.70 × 73,030.60
  4. Step 4: Simplify right side
    89,761.15x = 9,820,987,117.62
  5. Step 5: Solve for x
    x = 9,820,987,117.62/89,761.15
  6. Step 6: Final answer
    x = 109,412.45

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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.