Home / 71,908.80-99,280.32-46,426.60

Finding the Fourth Proportional to 71,908.80, 99,280.32 and 46,426.60

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Solution

The fourth proportional to 71,908.80, 99,280.32 and 46,426.60 is: 64,098.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,908.80 : 99,280.32 = 46,426.60 : x
  2. Step 2: Convert to fraction form
    71,908.80/99,280.32 = 46,426.60/x
  3. Step 3: Cross multiply
    71,908.80x = 99,280.32 × 46,426.60
  4. Step 4: Simplify right side
    71,908.80x = 4,609,247,704.51
  5. Step 5: Solve for x
    x = 4,609,247,704.51/71,908.80
  6. Step 6: Final answer
    x = 64,098.52

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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.