Home / 106,438.47-146,877.57-58,690.80

Finding the Fourth Proportional to 106,438.47, 146,877.57 and 58,690.80

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Solution

The fourth proportional to 106,438.47, 146,877.57 and 58,690.80 is: 80,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,438.47 : 146,877.57 = 58,690.80 : x
  2. Step 2: Convert to fraction form
    106,438.47/146,877.57 = 58,690.80/x
  3. Step 3: Cross multiply
    106,438.47x = 146,877.57 × 58,690.80
  4. Step 4: Simplify right side
    106,438.47x = 8,620,362,085.36
  5. Step 5: Solve for x
    x = 8,620,362,085.36/106,438.47
  6. Step 6: Final answer
    x = 80,989.16

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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.