Home / 56,972.34-78,608.40-33,084.84

Finding the Fourth Proportional to 56,972.34, 78,608.40 and 33,084.84

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Solution

The fourth proportional to 56,972.34, 78,608.40 and 33,084.84 is: 45,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,972.34 : 78,608.40 = 33,084.84 : x
  2. Step 2: Convert to fraction form
    56,972.34/78,608.40 = 33,084.84/x
  3. Step 3: Cross multiply
    56,972.34x = 78,608.40 × 33,084.84
  4. Step 4: Simplify right side
    56,972.34x = 2,600,746,336.66
  5. Step 5: Solve for x
    x = 2,600,746,336.66/56,972.34
  6. Step 6: Final answer
    x = 45,649.28

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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.