Home / 90,603.15-125,036.48-50,317.08

Finding the Fourth Proportional to 90,603.15, 125,036.48 and 50,317.08

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Solution

The fourth proportional to 90,603.15, 125,036.48 and 50,317.08 is: 69,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,603.15 : 125,036.48 = 50,317.08 : x
  2. Step 2: Convert to fraction form
    90,603.15/125,036.48 = 50,317.08/x
  3. Step 3: Cross multiply
    90,603.15x = 125,036.48 × 50,317.08
  4. Step 4: Simplify right side
    90,603.15x = 6,291,470,567.08
  5. Step 5: Solve for x
    x = 6,291,470,567.08/90,603.15
  6. Step 6: Final answer
    x = 69,439.87

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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.