Home / 102,307.85-141,185.09-59,295.68

Finding the Fourth Proportional to 102,307.85, 141,185.09 and 59,295.68

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Solution

The fourth proportional to 102,307.85, 141,185.09 and 59,295.68 is: 81,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,307.85 : 141,185.09 = 59,295.68 : x
  2. Step 2: Convert to fraction form
    102,307.85/141,185.09 = 59,295.68/x
  3. Step 3: Cross multiply
    102,307.85x = 141,185.09 × 59,295.68
  4. Step 4: Simplify right side
    102,307.85x = 8,371,665,359.72
  5. Step 5: Solve for x
    x = 8,371,665,359.72/102,307.85
  6. Step 6: Final answer
    x = 81,828.19

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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.