Home / 74,931.23-112,452.31-35,488.45

Finding the Fourth Proportional to 74,931.23, 112,452.31 and 35,488.45

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Solution

The fourth proportional to 74,931.23, 112,452.31 and 35,488.45 is: 53,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931.23 : 112,452.31 = 35,488.45 : x
  2. Step 2: Convert to fraction form
    74,931.23/112,452.31 = 35,488.45/x
  3. Step 3: Cross multiply
    74,931.23x = 112,452.31 × 35,488.45
  4. Step 4: Simplify right side
    74,931.23x = 3,990,758,582.21
  5. Step 5: Solve for x
    x = 3,990,758,582.21/74,931.23
  6. Step 6: Final answer
    x = 53,258.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.