Home / 74,980.30-112,415.02-35,491.18

Finding the Fourth Proportional to 74,980.30, 112,415.02 and 35,491.18

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Solution

The fourth proportional to 74,980.30, 112,415.02 and 35,491.18 is: 53,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,980.30 : 112,415.02 = 35,491.18 : x
  2. Step 2: Convert to fraction form
    74,980.30/112,415.02 = 35,491.18/x
  3. Step 3: Cross multiply
    74,980.30x = 112,415.02 × 35,491.18
  4. Step 4: Simplify right side
    74,980.30x = 3,989,741,709.52
  5. Step 5: Solve for x
    x = 3,989,741,709.52/74,980.30
  6. Step 6: Final answer
    x = 53,210.53

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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.