Home / 54,074.02-74,673.48-51,128.86

Finding the Fourth Proportional to 54,074.02, 74,673.48 and 51,128.86

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Solution

The fourth proportional to 54,074.02, 74,673.48 and 51,128.86 is: 70,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,074.02 : 74,673.48 = 51,128.86 : x
  2. Step 2: Convert to fraction form
    54,074.02/74,673.48 = 51,128.86/x
  3. Step 3: Cross multiply
    54,074.02x = 74,673.48 × 51,128.86
  4. Step 4: Simplify right side
    54,074.02x = 3,817,969,904.63
  5. Step 5: Solve for x
    x = 3,817,969,904.63/54,074.02
  6. Step 6: Final answer
    x = 70,606.36

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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.