Home / 90,916.36-125,455.62-50,628.58

Finding the Fourth Proportional to 90,916.36, 125,455.62 and 50,628.58

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Solution

The fourth proportional to 90,916.36, 125,455.62 and 50,628.58 is: 69,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,916.36 : 125,455.62 = 50,628.58 : x
  2. Step 2: Convert to fraction form
    90,916.36/125,455.62 = 50,628.58/x
  3. Step 3: Cross multiply
    90,916.36x = 125,455.62 × 50,628.58
  4. Step 4: Simplify right side
    90,916.36x = 6,351,639,266.34
  5. Step 5: Solve for x
    x = 6,351,639,266.34/90,916.36
  6. Step 6: Final answer
    x = 69,862.45

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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.