Home / 56,917.29-85,304.16-28,844.40

Finding the Fourth Proportional to 56,917.29, 85,304.16 and 28,844.40

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Solution

The fourth proportional to 56,917.29, 85,304.16 and 28,844.40 is: 43,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917.29 : 85,304.16 = 28,844.40 : x
  2. Step 2: Convert to fraction form
    56,917.29/85,304.16 = 28,844.40/x
  3. Step 3: Cross multiply
    56,917.29x = 85,304.16 × 28,844.40
  4. Step 4: Simplify right side
    56,917.29x = 2,460,547,312.70
  5. Step 5: Solve for x
    x = 2,460,547,312.70/56,917.29
  6. Step 6: Final answer
    x = 43,230.23

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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.