Home / 65,815.24-90,730.56-46,919.56

Finding the Fourth Proportional to 65,815.24, 90,730.56 and 46,919.56

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Solution

The fourth proportional to 65,815.24, 90,730.56 and 46,919.56 is: 64,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,815.24 : 90,730.56 = 46,919.56 : x
  2. Step 2: Convert to fraction form
    65,815.24/90,730.56 = 46,919.56/x
  3. Step 3: Cross multiply
    65,815.24x = 90,730.56 × 46,919.56
  4. Step 4: Simplify right side
    65,815.24x = 4,257,037,953.75
  5. Step 5: Solve for x
    x = 4,257,037,953.75/65,815.24
  6. Step 6: Final answer
    x = 64,681.64

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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.