Home / 69,328.68-95,671.32-39,113.52

Finding the Fourth Proportional to 69,328.68, 95,671.32 and 39,113.52

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Solution

The fourth proportional to 69,328.68, 95,671.32 and 39,113.52 is: 53,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,328.68 : 95,671.32 = 39,113.52 : x
  2. Step 2: Convert to fraction form
    69,328.68/95,671.32 = 39,113.52/x
  3. Step 3: Cross multiply
    69,328.68x = 95,671.32 × 39,113.52
  4. Step 4: Simplify right side
    69,328.68x = 3,742,042,088.25
  5. Step 5: Solve for x
    x = 3,742,042,088.25/69,328.68
  6. Step 6: Final answer
    x = 53,975.38

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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.