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Finding the Fourth Proportional to 78,256.98, 107,993.79 and 44,264.93

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Solution

The fourth proportional to 78,256.98, 107,993.79 and 44,264.93 is: 61,085.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,256.98 : 107,993.79 = 44,264.93 : x
  2. Step 2: Convert to fraction form
    78,256.98/107,993.79 = 44,264.93/x
  3. Step 3: Cross multiply
    78,256.98x = 107,993.79 × 44,264.93
  4. Step 4: Simplify right side
    78,256.98x = 4,780,337,014.82
  5. Step 5: Solve for x
    x = 4,780,337,014.82/78,256.98
  6. Step 6: Final answer
    x = 61,085.12

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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.