Home / 92,832.36-128,072.77-52,536.88

Finding the Fourth Proportional to 92,832.36, 128,072.77 and 52,536.88

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Solution

The fourth proportional to 92,832.36, 128,072.77 and 52,536.88 is: 72,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,832.36 : 128,072.77 = 52,536.88 : x
  2. Step 2: Convert to fraction form
    92,832.36/128,072.77 = 52,536.88/x
  3. Step 3: Cross multiply
    92,832.36x = 128,072.77 × 52,536.88
  4. Step 4: Simplify right side
    92,832.36x = 6,728,543,748.76
  5. Step 5: Solve for x
    x = 6,728,543,748.76/92,832.36
  6. Step 6: Final answer
    x = 72,480.58

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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.