Home / 64,794.69-89,433.36-42,190.11

Finding the Fourth Proportional to 64,794.69, 89,433.36 and 42,190.11

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Solution

The fourth proportional to 64,794.69, 89,433.36 and 42,190.11 is: 58,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,794.69 : 89,433.36 = 42,190.11 : x
  2. Step 2: Convert to fraction form
    64,794.69/89,433.36 = 42,190.11/x
  3. Step 3: Cross multiply
    64,794.69x = 89,433.36 × 42,190.11
  4. Step 4: Simplify right side
    64,794.69x = 3,773,203,296.07
  5. Step 5: Solve for x
    x = 3,773,203,296.07/64,794.69
  6. Step 6: Final answer
    x = 58,233.22

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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.