Home / 85,595.42-128,287.97-48,076.63

Finding the Fourth Proportional to 85,595.42, 128,287.97 and 48,076.63

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Solution

The fourth proportional to 85,595.42, 128,287.97 and 48,076.63 is: 72,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,595.42 : 128,287.97 = 48,076.63 : x
  2. Step 2: Convert to fraction form
    85,595.42/128,287.97 = 48,076.63/x
  3. Step 3: Cross multiply
    85,595.42x = 128,287.97 × 48,076.63
  4. Step 4: Simplify right side
    85,595.42x = 6,167,653,066.61
  5. Step 5: Solve for x
    x = 6,167,653,066.61/85,595.42
  6. Step 6: Final answer
    x = 72,055.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.