Home / 75,284.20-103,937.24-47,028.16

Finding the Fourth Proportional to 75,284.20, 103,937.24 and 47,028.16

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Solution

The fourth proportional to 75,284.20, 103,937.24 and 47,028.16 is: 64,927.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,284.20 : 103,937.24 = 47,028.16 : x
  2. Step 2: Convert to fraction form
    75,284.20/103,937.24 = 47,028.16/x
  3. Step 3: Cross multiply
    75,284.20x = 103,937.24 × 47,028.16
  4. Step 4: Simplify right side
    75,284.20x = 4,887,977,152.68
  5. Step 5: Solve for x
    x = 4,887,977,152.68/75,284.20
  6. Step 6: Final answer
    x = 64,927.00

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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.