Home / 96,855.12-145,210.56-40,711.68

Finding the Fourth Proportional to 96,855.12, 145,210.56 and 40,711.68

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Solution

The fourth proportional to 96,855.12, 145,210.56 and 40,711.68 is: 61,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,855.12 : 145,210.56 = 40,711.68 : x
  2. Step 2: Convert to fraction form
    96,855.12/145,210.56 = 40,711.68/x
  3. Step 3: Cross multiply
    96,855.12x = 145,210.56 × 40,711.68
  4. Step 4: Simplify right side
    96,855.12x = 5,911,765,851.34
  5. Step 5: Solve for x
    x = 5,911,765,851.34/96,855.12
  6. Step 6: Final answer
    x = 61,037.21

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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.