Home / 56,920.32-78,549.75-33,052.86

Finding the Fourth Proportional to 56,920.32, 78,549.75 and 33,052.86

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Solution

The fourth proportional to 56,920.32, 78,549.75 and 33,052.86 is: 45,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,920.32 : 78,549.75 = 33,052.86 : x
  2. Step 2: Convert to fraction form
    56,920.32/78,549.75 = 33,052.86/x
  3. Step 3: Cross multiply
    56,920.32x = 78,549.75 × 33,052.86
  4. Step 4: Simplify right side
    56,920.32x = 2,596,293,889.79
  5. Step 5: Solve for x
    x = 2,596,293,889.79/56,920.32
  6. Step 6: Final answer
    x = 45,612.78

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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.