Home / 90,587.70-125,013.37-50,303.16

Finding the Fourth Proportional to 90,587.70, 125,013.37 and 50,303.16

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Solution

The fourth proportional to 90,587.70, 125,013.37 and 50,303.16 is: 69,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,587.70 : 125,013.37 = 50,303.16 : x
  2. Step 2: Convert to fraction form
    90,587.70/125,013.37 = 50,303.16/x
  3. Step 3: Cross multiply
    90,587.70x = 125,013.37 × 50,303.16
  4. Step 4: Simplify right side
    90,587.70x = 6,288,567,553.25
  5. Step 5: Solve for x
    x = 6,288,567,553.25/90,587.70
  6. Step 6: Final answer
    x = 69,419.66

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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.