Home / 90,969.35-125,537.99-52,736.40

Finding the Fourth Proportional to 90,969.35, 125,537.99 and 52,736.40

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Solution

The fourth proportional to 90,969.35, 125,537.99 and 52,736.40 is: 72,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,969.35 : 125,537.99 = 52,736.40 : x
  2. Step 2: Convert to fraction form
    90,969.35/125,537.99 = 52,736.40/x
  3. Step 3: Cross multiply
    90,969.35x = 125,537.99 × 52,736.40
  4. Step 4: Simplify right side
    90,969.35x = 6,620,421,392.15
  5. Step 5: Solve for x
    x = 6,620,421,392.15/90,969.35
  6. Step 6: Final answer
    x = 72,776.40

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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.