Home / 90,603.90-125,037.53-50,317.84

Finding the Fourth Proportional to 90,603.90, 125,037.53 and 50,317.84

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Solution

The fourth proportional to 90,603.90, 125,037.53 and 50,317.84 is: 69,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,603.90 : 125,037.53 = 50,317.84 : x
  2. Step 2: Convert to fraction form
    90,603.90/125,037.53 = 50,317.84/x
  3. Step 3: Cross multiply
    90,603.90x = 125,037.53 × 50,317.84
  4. Step 4: Simplify right side
    90,603.90x = 6,291,618,428.54
  5. Step 5: Solve for x
    x = 6,291,618,428.54/90,603.90
  6. Step 6: Final answer
    x = 69,440.92

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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.