Home / 90,490.70-124,877.25-52,772.24

Finding the Fourth Proportional to 90,490.70, 124,877.25 and 52,772.24

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Solution

The fourth proportional to 90,490.70, 124,877.25 and 52,772.24 is: 72,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,490.70 : 124,877.25 = 52,772.24 : x
  2. Step 2: Convert to fraction form
    90,490.70/124,877.25 = 52,772.24/x
  3. Step 3: Cross multiply
    90,490.70x = 124,877.25 × 52,772.24
  4. Step 4: Simplify right side
    90,490.70x = 6,590,051,583.15
  5. Step 5: Solve for x
    x = 6,590,051,583.15/90,490.70
  6. Step 6: Final answer
    x = 72,825.74

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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.