Home / 78,530.06-108,378.50-46,264.98

Finding the Fourth Proportional to 78,530.06, 108,378.50 and 46,264.98

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Solution

The fourth proportional to 78,530.06, 108,378.50 and 46,264.98 is: 63,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,530.06 : 108,378.50 = 46,264.98 : x
  2. Step 2: Convert to fraction form
    78,530.06/108,378.50 = 46,264.98/x
  3. Step 3: Cross multiply
    78,530.06x = 108,378.50 × 46,264.98
  4. Step 4: Simplify right side
    78,530.06x = 5,014,129,134.93
  5. Step 5: Solve for x
    x = 5,014,129,134.93/78,530.06
  6. Step 6: Final answer
    x = 63,849.81

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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.