Home / 58,728.93-80,986.38-50,259.17

Finding the Fourth Proportional to 58,728.93, 80,986.38 and 50,259.17

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Solution

The fourth proportional to 58,728.93, 80,986.38 and 50,259.17 is: 69,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,728.93 : 80,986.38 = 50,259.17 : x
  2. Step 2: Convert to fraction form
    58,728.93/80,986.38 = 50,259.17/x
  3. Step 3: Cross multiply
    58,728.93x = 80,986.38 × 50,259.17
  4. Step 4: Simplify right side
    58,728.93x = 4,070,307,835.17
  5. Step 5: Solve for x
    x = 4,070,307,835.17/58,728.93
  6. Step 6: Final answer
    x = 69,306.69

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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.