Home / 106,940.04-147,614.10-61,636.12

Finding the Fourth Proportional to 106,940.04, 147,614.10 and 61,636.12

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Solution

The fourth proportional to 106,940.04, 147,614.10 and 61,636.12 is: 85,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,940.04 : 147,614.10 = 61,636.12 : x
  2. Step 2: Convert to fraction form
    106,940.04/147,614.10 = 61,636.12/x
  3. Step 3: Cross multiply
    106,940.04x = 147,614.10 × 61,636.12
  4. Step 4: Simplify right side
    106,940.04x = 9,098,360,381.29
  5. Step 5: Solve for x
    x = 9,098,360,381.29/106,940.04
  6. Step 6: Final answer
    x = 85,079.08

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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.