Home / 77,278.26-106,643.98-47,063.58

Finding the Fourth Proportional to 77,278.26, 106,643.98 and 47,063.58

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Solution

The fourth proportional to 77,278.26, 106,643.98 and 47,063.58 is: 64,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,278.26 : 106,643.98 = 47,063.58 : x
  2. Step 2: Convert to fraction form
    77,278.26/106,643.98 = 47,063.58/x
  3. Step 3: Cross multiply
    77,278.26x = 106,643.98 × 47,063.58
  4. Step 4: Simplify right side
    77,278.26x = 5,019,047,484.25
  5. Step 5: Solve for x
    x = 5,019,047,484.25/77,278.26
  6. Step 6: Final answer
    x = 64,947.73

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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.