Home / 94,379.80-141,569.70-52,821.40

Finding the Fourth Proportional to 94,379.80, 141,569.70 and 52,821.40

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Solution

The fourth proportional to 94,379.80, 141,569.70 and 52,821.40 is: 79,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,379.80 : 141,569.70 = 52,821.40 : x
  2. Step 2: Convert to fraction form
    94,379.80/141,569.70 = 52,821.40/x
  3. Step 3: Cross multiply
    94,379.80x = 141,569.70 × 52,821.40
  4. Step 4: Simplify right side
    94,379.80x = 7,477,909,751.58
  5. Step 5: Solve for x
    x = 7,477,909,751.58/94,379.80
  6. Step 6: Final answer
    x = 79,232.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.