Home / 85,825.57-128,773.88-46,336.24

Finding the Fourth Proportional to 85,825.57, 128,773.88 and 46,336.24

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Solution

The fourth proportional to 85,825.57, 128,773.88 and 46,336.24 is: 69,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,825.57 : 128,773.88 = 46,336.24 : x
  2. Step 2: Convert to fraction form
    85,825.57/128,773.88 = 46,336.24/x
  3. Step 3: Cross multiply
    85,825.57x = 128,773.88 × 46,336.24
  4. Step 4: Simplify right side
    85,825.57x = 5,966,896,533.86
  5. Step 5: Solve for x
    x = 5,966,896,533.86/85,825.57
  6. Step 6: Final answer
    x = 69,523.53

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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.