Home / 109,973.48-151,728.14-61,568.30

Finding the Fourth Proportional to 109,973.48, 151,728.14 and 61,568.30

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Solution

The fourth proportional to 109,973.48, 151,728.14 and 61,568.30 is: 84,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,973.48 : 151,728.14 = 61,568.30 : x
  2. Step 2: Convert to fraction form
    109,973.48/151,728.14 = 61,568.30/x
  3. Step 3: Cross multiply
    109,973.48x = 151,728.14 × 61,568.30
  4. Step 4: Simplify right side
    109,973.48x = 9,341,642,825.44
  5. Step 5: Solve for x
    x = 9,341,642,825.44/109,973.48
  6. Step 6: Final answer
    x = 84,944.50

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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.