Home / 90,025.02-124,233.01-49,740.46

Finding the Fourth Proportional to 90,025.02, 124,233.01 and 49,740.46

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Solution

The fourth proportional to 90,025.02, 124,233.01 and 49,740.46 is: 68,641.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,025.02 : 124,233.01 = 49,740.46 : x
  2. Step 2: Convert to fraction form
    90,025.02/124,233.01 = 49,740.46/x
  3. Step 3: Cross multiply
    90,025.02x = 124,233.01 × 49,740.46
  4. Step 4: Simplify right side
    90,025.02x = 6,179,407,064.58
  5. Step 5: Solve for x
    x = 6,179,407,064.58/90,025.02
  6. Step 6: Final answer
    x = 68,641.00

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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.