Home / 85,297.42-117,710.16-51,325.69

Finding the Fourth Proportional to 85,297.42, 117,710.16 and 51,325.69

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Solution

The fourth proportional to 85,297.42, 117,710.16 and 51,325.69 is: 70,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,297.42 : 117,710.16 = 51,325.69 : x
  2. Step 2: Convert to fraction form
    85,297.42/117,710.16 = 51,325.69/x
  3. Step 3: Cross multiply
    85,297.42x = 117,710.16 × 51,325.69
  4. Step 4: Simplify right side
    85,297.42x = 6,041,555,182.01
  5. Step 5: Solve for x
    x = 6,041,555,182.01/85,297.42
  6. Step 6: Final answer
    x = 70,829.28

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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.