Home / 85,119.43-127,506.58-39,463.00

Finding the Fourth Proportional to 85,119.43, 127,506.58 and 39,463.00

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Solution

The fourth proportional to 85,119.43, 127,506.58 and 39,463.00 is: 59,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,119.43 : 127,506.58 = 39,463.00 : x
  2. Step 2: Convert to fraction form
    85,119.43/127,506.58 = 39,463.00/x
  3. Step 3: Cross multiply
    85,119.43x = 127,506.58 × 39,463.00
  4. Step 4: Simplify right side
    85,119.43x = 5,031,791,860.11
  5. Step 5: Solve for x
    x = 5,031,791,860.11/85,119.43
  6. Step 6: Final answer
    x = 59,114.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.