Home / 106,426.02-146,889.19-61,135.08

Finding the Fourth Proportional to 106,426.02, 146,889.19 and 61,135.08

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Solution

The fourth proportional to 106,426.02, 146,889.19 and 61,135.08 is: 84,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,426.02 : 146,889.19 = 61,135.08 : x
  2. Step 2: Convert to fraction form
    106,426.02/146,889.19 = 61,135.08/x
  3. Step 3: Cross multiply
    106,426.02x = 146,889.19 × 61,135.08
  4. Step 4: Simplify right side
    106,426.02x = 8,980,082,381.79
  5. Step 5: Solve for x
    x = 8,980,082,381.79/106,426.02
  6. Step 6: Final answer
    x = 84,378.64

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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.