Home / 90,533.80-124,951.62-52,808.02

Finding the Fourth Proportional to 90,533.80, 124,951.62 and 52,808.02

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Solution

The fourth proportional to 90,533.80, 124,951.62 and 52,808.02 is: 72,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,533.80 : 124,951.62 = 52,808.02 : x
  2. Step 2: Convert to fraction form
    90,533.80/124,951.62 = 52,808.02/x
  3. Step 3: Cross multiply
    90,533.80x = 124,951.62 × 52,808.02
  4. Step 4: Simplify right side
    90,533.80x = 6,598,447,647.99
  5. Step 5: Solve for x
    x = 6,598,447,647.99/90,533.80
  6. Step 6: Final answer
    x = 72,883.80

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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.