Home / 102,646.94-141,648.63-57,324.20

Finding the Fourth Proportional to 102,646.94, 141,648.63 and 57,324.20

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Solution

The fourth proportional to 102,646.94, 141,648.63 and 57,324.20 is: 79,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,646.94 : 141,648.63 = 57,324.20 : x
  2. Step 2: Convert to fraction form
    102,646.94/141,648.63 = 57,324.20/x
  3. Step 3: Cross multiply
    102,646.94x = 141,648.63 × 57,324.20
  4. Step 4: Simplify right side
    102,646.94x = 8,119,894,395.85
  5. Step 5: Solve for x
    x = 8,119,894,395.85/102,646.94
  6. Step 6: Final answer
    x = 79,105.08

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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.