Home / 92,421.09-127,573.79-54,695.25

Finding the Fourth Proportional to 92,421.09, 127,573.79 and 54,695.25

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Solution

The fourth proportional to 92,421.09, 127,573.79 and 54,695.25 is: 75,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,421.09 : 127,573.79 = 54,695.25 : x
  2. Step 2: Convert to fraction form
    92,421.09/127,573.79 = 54,695.25/x
  3. Step 3: Cross multiply
    92,421.09x = 127,573.79 × 54,695.25
  4. Step 4: Simplify right side
    92,421.09x = 6,977,680,064.02
  5. Step 5: Solve for x
    x = 6,977,680,064.02/92,421.09
  6. Step 6: Final answer
    x = 75,498.79

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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.