Home / 90,611.02-125,041.62-50,323.24

Finding the Fourth Proportional to 90,611.02, 125,041.62 and 50,323.24

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Solution

The fourth proportional to 90,611.02, 125,041.62 and 50,323.24 is: 69,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,611.02 : 125,041.62 = 50,323.24 : x
  2. Step 2: Convert to fraction form
    90,611.02/125,041.62 = 50,323.24/x
  3. Step 3: Cross multiply
    90,611.02x = 125,041.62 × 50,323.24
  4. Step 4: Simplify right side
    90,611.02x = 6,292,499,453.25
  5. Step 5: Solve for x
    x = 6,292,499,453.25/90,611.02
  6. Step 6: Final answer
    x = 69,445.19

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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.