Home / 65,890.15-90,928.26-35,675.51

Finding the Fourth Proportional to 65,890.15, 90,928.26 and 35,675.51

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Solution

The fourth proportional to 65,890.15, 90,928.26 and 35,675.51 is: 49,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,890.15 : 90,928.26 = 35,675.51 : x
  2. Step 2: Convert to fraction form
    65,890.15/90,928.26 = 35,675.51/x
  3. Step 3: Cross multiply
    65,890.15x = 90,928.26 × 35,675.51
  4. Step 4: Simplify right side
    65,890.15x = 3,243,911,594.27
  5. Step 5: Solve for x
    x = 3,243,911,594.27/65,890.15
  6. Step 6: Final answer
    x = 49,232.12

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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.