Home / 77,326.61-106,678.82-50,459.45

Finding the Fourth Proportional to 77,326.61, 106,678.82 and 50,459.45

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Solution

The fourth proportional to 77,326.61, 106,678.82 and 50,459.45 is: 69,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,326.61 : 106,678.82 = 50,459.45 : x
  2. Step 2: Convert to fraction form
    77,326.61/106,678.82 = 50,459.45/x
  3. Step 3: Cross multiply
    77,326.61x = 106,678.82 × 50,459.45
  4. Step 4: Simplify right side
    77,326.61x = 5,382,954,176.60
  5. Step 5: Solve for x
    x = 5,382,954,176.60/77,326.61
  6. Step 6: Final answer
    x = 69,613.22

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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.