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Finding the Fourth Proportional to 46,348, 68,925.76 and 44,871.80

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Solution

The fourth proportional to 46,348, 68,925.76 and 44,871.80 is: 66,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,348 : 68,925.76 = 44,871.80 : x
  2. Step 2: Convert to fraction form
    46,348/68,925.76 = 44,871.80/x
  3. Step 3: Cross multiply
    46,348x = 68,925.76 × 44,871.80
  4. Step 4: Simplify right side
    46,348x = 3,092,822,917.57
  5. Step 5: Solve for x
    x = 3,092,822,917.57/46,348
  6. Step 6: Final answer
    x = 66,730.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.