Home / 90,637.76-125,071.08-52,934

Finding the Fourth Proportional to 90,637.76, 125,071.08 and 52,934

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Solution

The fourth proportional to 90,637.76, 125,071.08 and 52,934 is: 73,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,637.76 : 125,071.08 = 52,934 : x
  2. Step 2: Convert to fraction form
    90,637.76/125,071.08 = 52,934/x
  3. Step 3: Cross multiply
    90,637.76x = 125,071.08 × 52,934
  4. Step 4: Simplify right side
    90,637.76x = 6,620,512,548.72
  5. Step 5: Solve for x
    x = 6,620,512,548.72/90,637.76
  6. Step 6: Final answer
    x = 73,043.65

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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.