Home / 94,979.12-142,424.93-53,426.12

Finding the Fourth Proportional to 94,979.12, 142,424.93 and 53,426.12

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Solution

The fourth proportional to 94,979.12, 142,424.93 and 53,426.12 is: 80,114.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,979.12 : 142,424.93 = 53,426.12 : x
  2. Step 2: Convert to fraction form
    94,979.12/142,424.93 = 53,426.12/x
  3. Step 3: Cross multiply
    94,979.12x = 142,424.93 × 53,426.12
  4. Step 4: Simplify right side
    94,979.12x = 7,609,210,822.61
  5. Step 5: Solve for x
    x = 7,609,210,822.61/94,979.12
  6. Step 6: Final answer
    x = 80,114.57

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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.