Home / 72,960.38-100,700.98-46,085.79

Finding the Fourth Proportional to 72,960.38, 100,700.98 and 46,085.79

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Solution

The fourth proportional to 72,960.38, 100,700.98 and 46,085.79 is: 63,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,960.38 : 100,700.98 = 46,085.79 : x
  2. Step 2: Convert to fraction form
    72,960.38/100,700.98 = 46,085.79/x
  3. Step 3: Cross multiply
    72,960.38x = 100,700.98 × 46,085.79
  4. Step 4: Simplify right side
    72,960.38x = 4,640,884,479.49
  5. Step 5: Solve for x
    x = 4,640,884,479.49/72,960.38
  6. Step 6: Final answer
    x = 63,608.28

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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.