Home / 75,926.16-104,742.60-49,077.20

Finding the Fourth Proportional to 75,926.16, 104,742.60 and 49,077.20

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Solution

The fourth proportional to 75,926.16, 104,742.60 and 49,077.20 is: 67,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,926.16 : 104,742.60 = 49,077.20 : x
  2. Step 2: Convert to fraction form
    75,926.16/104,742.60 = 49,077.20/x
  3. Step 3: Cross multiply
    75,926.16x = 104,742.60 × 49,077.20
  4. Step 4: Simplify right side
    75,926.16x = 5,140,473,528.72
  5. Step 5: Solve for x
    x = 5,140,473,528.72/75,926.16
  6. Step 6: Final answer
    x = 67,703.59

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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.