Home / 56,670.10-85,005.15-53,170.90

Finding the Fourth Proportional to 56,670.10, 85,005.15 and 53,170.90

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Solution

The fourth proportional to 56,670.10, 85,005.15 and 53,170.90 is: 79,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,670.10 : 85,005.15 = 53,170.90 : x
  2. Step 2: Convert to fraction form
    56,670.10/85,005.15 = 53,170.90/x
  3. Step 3: Cross multiply
    56,670.10x = 85,005.15 × 53,170.90
  4. Step 4: Simplify right side
    56,670.10x = 4,519,800,330.14
  5. Step 5: Solve for x
    x = 4,519,800,330.14/56,670.10
  6. Step 6: Final answer
    x = 79,756.35

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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.