Home / 74,686.02-102,924.99-53,428.38

Finding the Fourth Proportional to 74,686.02, 102,924.99 and 53,428.38

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Solution

The fourth proportional to 74,686.02, 102,924.99 and 53,428.38 is: 73,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,686.02 : 102,924.99 = 53,428.38 : x
  2. Step 2: Convert to fraction form
    74,686.02/102,924.99 = 53,428.38/x
  3. Step 3: Cross multiply
    74,686.02x = 102,924.99 × 53,428.38
  4. Step 4: Simplify right side
    74,686.02x = 5,499,115,477.22
  5. Step 5: Solve for x
    x = 5,499,115,477.22/74,686.02
  6. Step 6: Final answer
    x = 73,629.78

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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.