Home / 77,021.02-115,574.25-37,578.46

Finding the Fourth Proportional to 77,021.02, 115,574.25 and 37,578.46

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Solution

The fourth proportional to 77,021.02, 115,574.25 and 37,578.46 is: 56,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,021.02 : 115,574.25 = 37,578.46 : x
  2. Step 2: Convert to fraction form
    77,021.02/115,574.25 = 37,578.46/x
  3. Step 3: Cross multiply
    77,021.02x = 115,574.25 × 37,578.46
  4. Step 4: Simplify right side
    77,021.02x = 4,343,102,330.66
  5. Step 5: Solve for x
    x = 4,343,102,330.66/77,021.02
  6. Step 6: Final answer
    x = 56,388.53

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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.