Home / 90,953.02-136,383.78-53,014.48

Finding the Fourth Proportional to 90,953.02, 136,383.78 and 53,014.48

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Solution

The fourth proportional to 90,953.02, 136,383.78 and 53,014.48 is: 79,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,953.02 : 136,383.78 = 53,014.48 : x
  2. Step 2: Convert to fraction form
    90,953.02/136,383.78 = 53,014.48/x
  3. Step 3: Cross multiply
    90,953.02x = 136,383.78 × 53,014.48
  4. Step 4: Simplify right side
    90,953.02x = 7,230,315,177.13
  5. Step 5: Solve for x
    x = 7,230,315,177.13/90,953.02
  6. Step 6: Final answer
    x = 79,495.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.