Home / 112,962.64-169,298.16-53,816.56

Finding the Fourth Proportional to 112,962.64, 169,298.16 and 53,816.56

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Solution

The fourth proportional to 112,962.64, 169,298.16 and 53,816.56 is: 80,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,962.64 : 169,298.16 = 53,816.56 : x
  2. Step 2: Convert to fraction form
    112,962.64/169,298.16 = 53,816.56/x
  3. Step 3: Cross multiply
    112,962.64x = 169,298.16 × 53,816.56
  4. Step 4: Simplify right side
    112,962.64x = 9,111,044,585.53
  5. Step 5: Solve for x
    x = 9,111,044,585.53/112,962.64
  6. Step 6: Final answer
    x = 80,655.38

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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.