Home / 89,079.03-122,944.91-53,272.98

Finding the Fourth Proportional to 89,079.03, 122,944.91 and 53,272.98

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Solution

The fourth proportional to 89,079.03, 122,944.91 and 53,272.98 is: 73,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,079.03 : 122,944.91 = 53,272.98 : x
  2. Step 2: Convert to fraction form
    89,079.03/122,944.91 = 53,272.98/x
  3. Step 3: Cross multiply
    89,079.03x = 122,944.91 × 53,272.98
  4. Step 4: Simplify right side
    89,079.03x = 6,549,641,465.17
  5. Step 5: Solve for x
    x = 6,549,641,465.17/89,079.03
  6. Step 6: Final answer
    x = 73,526.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.