Home / 109,644.48-151,307.73-61,247.07

Finding the Fourth Proportional to 109,644.48, 151,307.73 and 61,247.07

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Solution

The fourth proportional to 109,644.48, 151,307.73 and 61,247.07 is: 84,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,644.48 : 151,307.73 = 61,247.07 : x
  2. Step 2: Convert to fraction form
    109,644.48/151,307.73 = 61,247.07/x
  3. Step 3: Cross multiply
    109,644.48x = 151,307.73 × 61,247.07
  4. Step 4: Simplify right side
    109,644.48x = 9,267,155,130.85
  5. Step 5: Solve for x
    x = 9,267,155,130.85/109,644.48
  6. Step 6: Final answer
    x = 84,520.03

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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.