Home / 102,827.12-141,869.13-57,498.98

Finding the Fourth Proportional to 102,827.12, 141,869.13 and 57,498.98

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Solution

The fourth proportional to 102,827.12, 141,869.13 and 57,498.98 is: 79,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,827.12 : 141,869.13 = 57,498.98 : x
  2. Step 2: Convert to fraction form
    102,827.12/141,869.13 = 57,498.98/x
  3. Step 3: Cross multiply
    102,827.12x = 141,869.13 × 57,498.98
  4. Step 4: Simplify right side
    102,827.12x = 8,157,329,559.14
  5. Step 5: Solve for x
    x = 8,157,329,559.14/102,827.12
  6. Step 6: Final answer
    x = 79,330.53

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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.