Home / 91,090.44-125,715.77-53,364.69

Finding the Fourth Proportional to 91,090.44, 125,715.77 and 53,364.69

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Solution

The fourth proportional to 91,090.44, 125,715.77 and 53,364.69 is: 73,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,090.44 : 125,715.77 = 53,364.69 : x
  2. Step 2: Convert to fraction form
    91,090.44/125,715.77 = 53,364.69/x
  3. Step 3: Cross multiply
    91,090.44x = 125,715.77 × 53,364.69
  4. Step 4: Simplify right side
    91,090.44x = 6,708,783,094.16
  5. Step 5: Solve for x
    x = 6,708,783,094.16/91,090.44
  6. Step 6: Final answer
    x = 73,649.69

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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.