Home / 55,631.72-76,746.04-49,264.80

Finding the Fourth Proportional to 55,631.72, 76,746.04 and 49,264.80

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Solution

The fourth proportional to 55,631.72, 76,746.04 and 49,264.80 is: 67,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.72 : 76,746.04 = 49,264.80 : x
  2. Step 2: Convert to fraction form
    55,631.72/76,746.04 = 49,264.80/x
  3. Step 3: Cross multiply
    55,631.72x = 76,746.04 × 49,264.80
  4. Step 4: Simplify right side
    55,631.72x = 3,780,878,311.39
  5. Step 5: Solve for x
    x = 3,780,878,311.39/55,631.72
  6. Step 6: Final answer
    x = 67,962.64

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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.