Home / 96,909.67-145,364.75-30,355.62

Finding the Fourth Proportional to 96,909.67, 145,364.75 and 30,355.62

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Solution

The fourth proportional to 96,909.67, 145,364.75 and 30,355.62 is: 45,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,909.67 : 145,364.75 = 30,355.62 : x
  2. Step 2: Convert to fraction form
    96,909.67/145,364.75 = 30,355.62/x
  3. Step 3: Cross multiply
    96,909.67x = 145,364.75 × 30,355.62
  4. Step 4: Simplify right side
    96,909.67x = 4,412,637,112.40
  5. Step 5: Solve for x
    x = 4,412,637,112.40/96,909.67
  6. Step 6: Final answer
    x = 45,533.51

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1.5x scale

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.