Home / 106,990.07-147,644.49-59,242.39

Finding the Fourth Proportional to 106,990.07, 147,644.49 and 59,242.39

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Solution

The fourth proportional to 106,990.07, 147,644.49 and 59,242.39 is: 81,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,990.07 : 147,644.49 = 59,242.39 : x
  2. Step 2: Convert to fraction form
    106,990.07/147,644.49 = 59,242.39/x
  3. Step 3: Cross multiply
    106,990.07x = 147,644.49 × 59,242.39
  4. Step 4: Simplify right side
    106,990.07x = 8,746,812,457.93
  5. Step 5: Solve for x
    x = 8,746,812,457.93/106,990.07
  6. Step 6: Final answer
    x = 81,753.50

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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.