Home / 90,066.02-124,297.53-49,778.91

Finding the Fourth Proportional to 90,066.02, 124,297.53 and 49,778.91

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Solution

The fourth proportional to 90,066.02, 124,297.53 and 49,778.91 is: 68,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,066.02 : 124,297.53 = 49,778.91 : x
  2. Step 2: Convert to fraction form
    90,066.02/124,297.53 = 49,778.91/x
  3. Step 3: Cross multiply
    90,066.02x = 124,297.53 × 49,778.91
  4. Step 4: Simplify right side
    90,066.02x = 6,187,395,559.09
  5. Step 5: Solve for x
    x = 6,187,395,559.09/90,066.02
  6. Step 6: Final answer
    x = 68,698.45

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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.