Home / 77,022.02-115,575.76-37,579.46

Finding the Fourth Proportional to 77,022.02, 115,575.76 and 37,579.46

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Solution

The fourth proportional to 77,022.02, 115,575.76 and 37,579.46 is: 56,390.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,022.02 : 115,575.76 = 37,579.46 : x
  2. Step 2: Convert to fraction form
    77,022.02/115,575.76 = 37,579.46/x
  3. Step 3: Cross multiply
    77,022.02x = 115,575.76 × 37,579.46
  4. Step 4: Simplify right side
    77,022.02x = 4,343,274,649.89
  5. Step 5: Solve for x
    x = 4,343,274,649.89/77,022.02
  6. Step 6: Final answer
    x = 56,390.04

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1.5x scale

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.