Home / 91,172.98-125,817.06-50,886.01

Finding the Fourth Proportional to 91,172.98, 125,817.06 and 50,886.01

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Solution

The fourth proportional to 91,172.98, 125,817.06 and 50,886.01 is: 70,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,172.98 : 125,817.06 = 50,886.01 : x
  2. Step 2: Convert to fraction form
    91,172.98/125,817.06 = 50,886.01/x
  3. Step 3: Cross multiply
    91,172.98x = 125,817.06 × 50,886.01
  4. Step 4: Simplify right side
    91,172.98x = 6,402,328,173.33
  5. Step 5: Solve for x
    x = 6,402,328,173.33/91,172.98
  6. Step 6: Final answer
    x = 70,221.77

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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.