Home / 90,237.08-124,539.90-52,523.48

Finding the Fourth Proportional to 90,237.08, 124,539.90 and 52,523.48

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Solution

The fourth proportional to 90,237.08, 124,539.90 and 52,523.48 is: 72,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,237.08 : 124,539.90 = 52,523.48 : x
  2. Step 2: Convert to fraction form
    90,237.08/124,539.90 = 52,523.48/x
  3. Step 3: Cross multiply
    90,237.08x = 124,539.90 × 52,523.48
  4. Step 4: Simplify right side
    90,237.08x = 6,541,268,946.85
  5. Step 5: Solve for x
    x = 6,541,268,946.85/90,237.08
  6. Step 6: Final answer
    x = 72,489.81

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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.