Home / 106,989.96-147,644.36-59,242.28

Finding the Fourth Proportional to 106,989.96, 147,644.36 and 59,242.28

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Solution

The fourth proportional to 106,989.96, 147,644.36 and 59,242.28 is: 81,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,989.96 : 147,644.36 = 59,242.28 : x
  2. Step 2: Convert to fraction form
    106,989.96/147,644.36 = 59,242.28/x
  3. Step 3: Cross multiply
    106,989.96x = 147,644.36 × 59,242.28
  4. Step 4: Simplify right side
    106,989.96x = 8,746,788,515.54
  5. Step 5: Solve for x
    x = 8,746,788,515.54/106,989.96
  6. Step 6: Final answer
    x = 81,753.36

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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.