Home / 90,078.13-124,307.81-50,334.13

Finding the Fourth Proportional to 90,078.13, 124,307.81 and 50,334.13

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Solution

The fourth proportional to 90,078.13, 124,307.81 and 50,334.13 is: 69,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,078.13 : 124,307.81 = 50,334.13 : x
  2. Step 2: Convert to fraction form
    90,078.13/124,307.81 = 50,334.13/x
  3. Step 3: Cross multiply
    90,078.13x = 124,307.81 × 50,334.13
  4. Step 4: Simplify right side
    90,078.13x = 6,256,925,468.56
  5. Step 5: Solve for x
    x = 6,256,925,468.56/90,078.13
  6. Step 6: Final answer
    x = 69,461.09

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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.