Home / 73,987.02-102,078.82-45,276.75

Finding the Fourth Proportional to 73,987.02, 102,078.82 and 45,276.75

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Solution

The fourth proportional to 73,987.02, 102,078.82 and 45,276.75 is: 62,467.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,987.02 : 102,078.82 = 45,276.75 : x
  2. Step 2: Convert to fraction form
    73,987.02/102,078.82 = 45,276.75/x
  3. Step 3: Cross multiply
    73,987.02x = 102,078.82 × 45,276.75
  4. Step 4: Simplify right side
    73,987.02x = 4,621,797,547.00
  5. Step 5: Solve for x
    x = 4,621,797,547.00/73,987.02
  6. Step 6: Final answer
    x = 62,467.68

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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.