Home / 124,822.52-172,213.02-71,069.51

Finding the Fourth Proportional to 124,822.52, 172,213.02 and 71,069.51

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Solution

The fourth proportional to 124,822.52, 172,213.02 and 71,069.51 is: 98,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,822.52 : 172,213.02 = 71,069.51 : x
  2. Step 2: Convert to fraction form
    124,822.52/172,213.02 = 71,069.51/x
  3. Step 3: Cross multiply
    124,822.52x = 172,213.02 × 71,069.51
  4. Step 4: Simplify right side
    124,822.52x = 12,239,094,947.02
  5. Step 5: Solve for x
    x = 12,239,094,947.02/124,822.52
  6. Step 6: Final answer
    x = 98,051.98

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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.