Home / 89,089.74-122,899.32-53,270.28

Finding the Fourth Proportional to 89,089.74, 122,899.32 and 53,270.28

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Solution

The fourth proportional to 89,089.74, 122,899.32 and 53,270.28 is: 73,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,089.74 : 122,899.32 = 53,270.28 : x
  2. Step 2: Convert to fraction form
    89,089.74/122,899.32 = 53,270.28/x
  3. Step 3: Cross multiply
    89,089.74x = 122,899.32 × 53,270.28
  4. Step 4: Simplify right side
    89,089.74x = 6,546,881,188.21
  5. Step 5: Solve for x
    x = 6,546,881,188.21/89,089.74
  6. Step 6: Final answer
    x = 73,486.37

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1.5x scale

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.