Home / 91,777.37-137,649.63-58,398.29

Finding the Fourth Proportional to 91,777.37, 137,649.63 and 58,398.29

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Solution

The fourth proportional to 91,777.37, 137,649.63 and 58,398.29 is: 87,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,777.37 : 137,649.63 = 58,398.29 : x
  2. Step 2: Convert to fraction form
    91,777.37/137,649.63 = 58,398.29/x
  3. Step 3: Cross multiply
    91,777.37x = 137,649.63 × 58,398.29
  4. Step 4: Simplify right side
    91,777.37x = 8,038,502,322.88
  5. Step 5: Solve for x
    x = 8,038,502,322.88/91,777.37
  6. Step 6: Final answer
    x = 87,586.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.