Home / 102,441.18-141,364.03-57,124.11

Finding the Fourth Proportional to 102,441.18, 141,364.03 and 57,124.11

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Solution

The fourth proportional to 102,441.18, 141,364.03 and 57,124.11 is: 78,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,441.18 : 141,364.03 = 57,124.11 : x
  2. Step 2: Convert to fraction form
    102,441.18/141,364.03 = 57,124.11/x
  3. Step 3: Cross multiply
    102,441.18x = 141,364.03 × 57,124.11
  4. Step 4: Simplify right side
    102,441.18x = 8,075,294,399.76
  5. Step 5: Solve for x
    x = 8,075,294,399.76/102,441.18
  6. Step 6: Final answer
    x = 78,828.60

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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.