Home / 96,905.12-145,357.68-30,350.46

Finding the Fourth Proportional to 96,905.12, 145,357.68 and 30,350.46

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Solution

The fourth proportional to 96,905.12, 145,357.68 and 30,350.46 is: 45,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,905.12 : 145,357.68 = 30,350.46 : x
  2. Step 2: Convert to fraction form
    96,905.12/145,357.68 = 30,350.46/x
  3. Step 3: Cross multiply
    96,905.12x = 145,357.68 × 30,350.46
  4. Step 4: Simplify right side
    96,905.12x = 4,411,672,430.07
  5. Step 5: Solve for x
    x = 4,411,672,430.07/96,905.12
  6. Step 6: Final answer
    x = 45,525.69

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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.