Home / 52,746.17-72,790.40-28,872.32

Finding the Fourth Proportional to 52,746.17, 72,790.40 and 28,872.32

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Solution

The fourth proportional to 52,746.17, 72,790.40 and 28,872.32 is: 39,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,746.17 : 72,790.40 = 28,872.32 : x
  2. Step 2: Convert to fraction form
    52,746.17/72,790.40 = 28,872.32/x
  3. Step 3: Cross multiply
    52,746.17x = 72,790.40 × 28,872.32
  4. Step 4: Simplify right side
    52,746.17x = 2,101,627,759.34
  5. Step 5: Solve for x
    x = 2,101,627,759.34/52,746.17
  6. Step 6: Final answer
    x = 39,844.18

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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.