Home / 85,943.94-128,837.97-46,454.91

Finding the Fourth Proportional to 85,943.94, 128,837.97 and 46,454.91

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Solution

The fourth proportional to 85,943.94, 128,837.97 and 46,454.91 is: 69,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,943.94 : 128,837.97 = 46,454.91 : x
  2. Step 2: Convert to fraction form
    85,943.94/128,837.97 = 46,454.91/x
  3. Step 3: Cross multiply
    85,943.94x = 128,837.97 × 46,454.91
  4. Step 4: Simplify right side
    85,943.94x = 5,985,156,300.93
  5. Step 5: Solve for x
    x = 5,985,156,300.93/85,943.94
  6. Step 6: Final answer
    x = 69,640.24

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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.