Home / 78,474.18-108,292.09-44,485.80

Finding the Fourth Proportional to 78,474.18, 108,292.09 and 44,485.80

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Solution

The fourth proportional to 78,474.18, 108,292.09 and 44,485.80 is: 61,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,474.18 : 108,292.09 = 44,485.80 : x
  2. Step 2: Convert to fraction form
    78,474.18/108,292.09 = 44,485.80/x
  3. Step 3: Cross multiply
    78,474.18x = 108,292.09 × 44,485.80
  4. Step 4: Simplify right side
    78,474.18x = 4,817,460,257.32
  5. Step 5: Solve for x
    x = 4,817,460,257.32/78,474.18
  6. Step 6: Final answer
    x = 61,389.11

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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.