Home / 91,281.51-125,953.09-50,995.60

Finding the Fourth Proportional to 91,281.51, 125,953.09 and 50,995.60

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Solution

The fourth proportional to 91,281.51, 125,953.09 and 50,995.60 is: 70,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,281.51 : 125,953.09 = 50,995.60 : x
  2. Step 2: Convert to fraction form
    91,281.51/125,953.09 = 50,995.60/x
  3. Step 3: Cross multiply
    91,281.51x = 125,953.09 × 50,995.60
  4. Step 4: Simplify right side
    91,281.51x = 6,423,053,379.99
  5. Step 5: Solve for x
    x = 6,423,053,379.99/91,281.51
  6. Step 6: Final answer
    x = 70,365.33

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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.