Home / 65,239.02-90,030.06-36,950.04

Finding the Fourth Proportional to 65,239.02, 90,030.06 and 36,950.04

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Solution

The fourth proportional to 65,239.02, 90,030.06 and 36,950.04 is: 50,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,239.02 : 90,030.06 = 36,950.04 : x
  2. Step 2: Convert to fraction form
    65,239.02/90,030.06 = 36,950.04/x
  3. Step 3: Cross multiply
    65,239.02x = 90,030.06 × 36,950.04
  4. Step 4: Simplify right side
    65,239.02x = 3,326,614,318.20
  5. Step 5: Solve for x
    x = 3,326,614,318.20/65,239.02
  6. Step 6: Final answer
    x = 50,991.18

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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.