Home / 91,146.47-125,763.34-52,376.80

Finding the Fourth Proportional to 91,146.47, 125,763.34 and 52,376.80

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Solution

The fourth proportional to 91,146.47, 125,763.34 and 52,376.80 is: 72,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,146.47 : 125,763.34 = 52,376.80 : x
  2. Step 2: Convert to fraction form
    91,146.47/125,763.34 = 52,376.80/x
  3. Step 3: Cross multiply
    91,146.47x = 125,763.34 × 52,376.80
  4. Step 4: Simplify right side
    91,146.47x = 6,587,081,529.19
  5. Step 5: Solve for x
    x = 6,587,081,529.19/91,146.47
  6. Step 6: Final answer
    x = 72,269.19

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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.