Home / 74,509.02-102,825.15-42,684.07

Finding the Fourth Proportional to 74,509.02, 102,825.15 and 42,684.07

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Solution

The fourth proportional to 74,509.02, 102,825.15 and 42,684.07 is: 58,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,509.02 : 102,825.15 = 42,684.07 : x
  2. Step 2: Convert to fraction form
    74,509.02/102,825.15 = 42,684.07/x
  3. Step 3: Cross multiply
    74,509.02x = 102,825.15 × 42,684.07
  4. Step 4: Simplify right side
    74,509.02x = 4,388,995,900.36
  5. Step 5: Solve for x
    x = 4,388,995,900.36/74,509.02
  6. Step 6: Final answer
    x = 58,905.56

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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.