Home / 117,456.04-162,089.45-63,741.06

Finding the Fourth Proportional to 117,456.04, 162,089.45 and 63,741.06

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Solution

The fourth proportional to 117,456.04, 162,089.45 and 63,741.06 is: 87,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,456.04 : 162,089.45 = 63,741.06 : x
  2. Step 2: Convert to fraction form
    117,456.04/162,089.45 = 63,741.06/x
  3. Step 3: Cross multiply
    117,456.04x = 162,089.45 × 63,741.06
  4. Step 4: Simplify right side
    117,456.04x = 10,331,753,039.11
  5. Step 5: Solve for x
    x = 10,331,753,039.11/117,456.04
  6. Step 6: Final answer
    x = 87,962.72

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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.