Home / 109,731.69-151,430.03-59,430.69

Finding the Fourth Proportional to 109,731.69, 151,430.03 and 59,430.69

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Solution

The fourth proportional to 109,731.69, 151,430.03 and 59,430.69 is: 82,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,731.69 : 151,430.03 = 59,430.69 : x
  2. Step 2: Convert to fraction form
    109,731.69/151,430.03 = 59,430.69/x
  3. Step 3: Cross multiply
    109,731.69x = 151,430.03 × 59,430.69
  4. Step 4: Simplify right side
    109,731.69x = 8,999,591,169.62
  5. Step 5: Solve for x
    x = 8,999,591,169.62/109,731.69
  6. Step 6: Final answer
    x = 82,014.51

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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.