Home / 90,602.15-125,035.10-50,316.08

Finding the Fourth Proportional to 90,602.15, 125,035.10 and 50,316.08

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Solution

The fourth proportional to 90,602.15, 125,035.10 and 50,316.08 is: 69,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,602.15 : 125,035.10 = 50,316.08 : x
  2. Step 2: Convert to fraction form
    90,602.15/125,035.10 = 50,316.08/x
  3. Step 3: Cross multiply
    90,602.15x = 125,035.10 × 50,316.08
  4. Step 4: Simplify right side
    90,602.15x = 6,291,275,217.65
  5. Step 5: Solve for x
    x = 6,291,275,217.65/90,602.15
  6. Step 6: Final answer
    x = 69,438.48

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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.