Home / 74,746.27-112,146.75-34,784.32

Finding the Fourth Proportional to 74,746.27, 112,146.75 and 34,784.32

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Solution

The fourth proportional to 74,746.27, 112,146.75 and 34,784.32 is: 52,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746.27 : 112,146.75 = 34,784.32 : x
  2. Step 2: Convert to fraction form
    74,746.27/112,146.75 = 34,784.32/x
  3. Step 3: Cross multiply
    74,746.27x = 112,146.75 × 34,784.32
  4. Step 4: Simplify right side
    74,746.27x = 3,900,948,438.96
  5. Step 5: Solve for x
    x = 3,900,948,438.96/74,746.27
  6. Step 6: Final answer
    x = 52,189.21

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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.