Home / 90,567.03-124,986.54-50,281.35

Finding the Fourth Proportional to 90,567.03, 124,986.54 and 50,281.35

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Solution

The fourth proportional to 90,567.03, 124,986.54 and 50,281.35 is: 69,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,567.03 : 124,986.54 = 50,281.35 : x
  2. Step 2: Convert to fraction form
    90,567.03/124,986.54 = 50,281.35/x
  3. Step 3: Cross multiply
    90,567.03x = 124,986.54 × 50,281.35
  4. Step 4: Simplify right side
    90,567.03x = 6,284,491,963.03
  5. Step 5: Solve for x
    x = 6,284,491,963.03/90,567.03
  6. Step 6: Final answer
    x = 69,390.51

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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.