Home / 78,664.32-108,547.38-44,672.58

Finding the Fourth Proportional to 78,664.32, 108,547.38 and 44,672.58

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Solution

The fourth proportional to 78,664.32, 108,547.38 and 44,672.58 is: 61,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,664.32 : 108,547.38 = 44,672.58 : x
  2. Step 2: Convert to fraction form
    78,664.32/108,547.38 = 44,672.58/x
  3. Step 3: Cross multiply
    78,664.32x = 108,547.38 × 44,672.58
  4. Step 4: Simplify right side
    78,664.32x = 4,849,091,516.84
  5. Step 5: Solve for x
    x = 4,849,091,516.84/78,664.32
  6. Step 6: Final answer
    x = 61,642.83

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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.