Home / 56,981.22-78,601.20-34,304.46

Finding the Fourth Proportional to 56,981.22, 78,601.20 and 34,304.46

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Solution

The fourth proportional to 56,981.22, 78,601.20 and 34,304.46 is: 47,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,981.22 : 78,601.20 = 34,304.46 : x
  2. Step 2: Convert to fraction form
    56,981.22/78,601.20 = 34,304.46/x
  3. Step 3: Cross multiply
    56,981.22x = 78,601.20 × 34,304.46
  4. Step 4: Simplify right side
    56,981.22x = 2,696,371,721.35
  5. Step 5: Solve for x
    x = 2,696,371,721.35/56,981.22
  6. Step 6: Final answer
    x = 47,320.36

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1.5x scale

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.