Home / 82,813.02-124,244.40-25,884.62

Finding the Fourth Proportional to 82,813.02, 124,244.40 and 25,884.62

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Solution

The fourth proportional to 82,813.02, 124,244.40 and 25,884.62 is: 38,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,813.02 : 124,244.40 = 25,884.62 : x
  2. Step 2: Convert to fraction form
    82,813.02/124,244.40 = 25,884.62/x
  3. Step 3: Cross multiply
    82,813.02x = 124,244.40 × 25,884.62
  4. Step 4: Simplify right side
    82,813.02x = 3,216,018,459.91
  5. Step 5: Solve for x
    x = 3,216,018,459.91/82,813.02
  6. Step 6: Final answer
    x = 38,834.70

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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.