Home / 90,599.63-125,029.13-50,317.11

Finding the Fourth Proportional to 90,599.63, 125,029.13 and 50,317.11

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Solution

The fourth proportional to 90,599.63, 125,029.13 and 50,317.11 is: 69,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,599.63 : 125,029.13 = 50,317.11 : x
  2. Step 2: Convert to fraction form
    90,599.63/125,029.13 = 50,317.11/x
  3. Step 3: Cross multiply
    90,599.63x = 125,029.13 × 50,317.11
  4. Step 4: Simplify right side
    90,599.63x = 6,291,104,235.83
  5. Step 5: Solve for x
    x = 6,291,104,235.83/90,599.63
  6. Step 6: Final answer
    x = 69,438.52

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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.