Home / 46,899.78-64,721.88-25,678.86

Finding the Fourth Proportional to 46,899.78, 64,721.88 and 25,678.86

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Solution

The fourth proportional to 46,899.78, 64,721.88 and 25,678.86 is: 35,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,899.78 : 64,721.88 = 25,678.86 : x
  2. Step 2: Convert to fraction form
    46,899.78/64,721.88 = 25,678.86/x
  3. Step 3: Cross multiply
    46,899.78x = 64,721.88 × 25,678.86
  4. Step 4: Simplify right side
    46,899.78x = 1,661,984,095.46
  5. Step 5: Solve for x
    x = 1,661,984,095.46/46,899.78
  6. Step 6: Final answer
    x = 35,436.93

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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.