Home / 77,211.39-106,562.97-47,014.38

Finding the Fourth Proportional to 77,211.39, 106,562.97 and 47,014.38

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Solution

The fourth proportional to 77,211.39, 106,562.97 and 47,014.38 is: 64,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,211.39 : 106,562.97 = 47,014.38 : x
  2. Step 2: Convert to fraction form
    77,211.39/106,562.97 = 47,014.38/x
  3. Step 3: Cross multiply
    77,211.39x = 106,562.97 × 47,014.38
  4. Step 4: Simplify right side
    77,211.39x = 5,009,991,965.51
  5. Step 5: Solve for x
    x = 5,009,991,965.51/77,211.39
  6. Step 6: Final answer
    x = 64,886.70

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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.