Home / 102,666.19-141,677.85-57,344.83

Finding the Fourth Proportional to 102,666.19, 141,677.85 and 57,344.83

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Solution

The fourth proportional to 102,666.19, 141,677.85 and 57,344.83 is: 79,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,666.19 : 141,677.85 = 57,344.83 : x
  2. Step 2: Convert to fraction form
    102,666.19/141,677.85 = 57,344.83/x
  3. Step 3: Cross multiply
    102,666.19x = 141,677.85 × 57,344.83
  4. Step 4: Simplify right side
    102,666.19x = 8,124,492,223.02
  5. Step 5: Solve for x
    x = 8,124,492,223.02/102,666.19
  6. Step 6: Final answer
    x = 79,135.03

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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.