Home / 46,880.57-70,327.64-13,600.78

Finding the Fourth Proportional to 46,880.57, 70,327.64 and 13,600.78

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Solution

The fourth proportional to 46,880.57, 70,327.64 and 13,600.78 is: 20,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,880.57 : 70,327.64 = 13,600.78 : x
  2. Step 2: Convert to fraction form
    46,880.57/70,327.64 = 13,600.78/x
  3. Step 3: Cross multiply
    46,880.57x = 70,327.64 × 13,600.78
  4. Step 4: Simplify right side
    46,880.57x = 956,510,617.74
  5. Step 5: Solve for x
    x = 956,510,617.74/46,880.57
  6. Step 6: Final answer
    x = 20,403.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.