Home / 90,651.72-125,095.32-50,368.32

Finding the Fourth Proportional to 90,651.72, 125,095.32 and 50,368.32

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Solution

The fourth proportional to 90,651.72, 125,095.32 and 50,368.32 is: 69,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,651.72 : 125,095.32 = 50,368.32 : x
  2. Step 2: Convert to fraction form
    90,651.72/125,095.32 = 50,368.32/x
  3. Step 3: Cross multiply
    90,651.72x = 125,095.32 × 50,368.32
  4. Step 4: Simplify right side
    90,651.72x = 6,300,841,108.26
  5. Step 5: Solve for x
    x = 6,300,841,108.26/90,651.72
  6. Step 6: Final answer
    x = 69,506.03

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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.