Home / 77,105.67-106,364.77-46,900.23

Finding the Fourth Proportional to 77,105.67, 106,364.77 and 46,900.23

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Solution

The fourth proportional to 77,105.67, 106,364.77 and 46,900.23 is: 64,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,105.67 : 106,364.77 = 46,900.23 : x
  2. Step 2: Convert to fraction form
    77,105.67/106,364.77 = 46,900.23/x
  3. Step 3: Cross multiply
    77,105.67x = 106,364.77 × 46,900.23
  4. Step 4: Simplify right side
    77,105.67x = 4,988,532,176.90
  5. Step 5: Solve for x
    x = 4,988,532,176.90/77,105.67
  6. Step 6: Final answer
    x = 64,697.35

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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.