Home / 67,641.08-93,359.40-39,350.48

Finding the Fourth Proportional to 67,641.08, 93,359.40 and 39,350.48

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Solution

The fourth proportional to 67,641.08, 93,359.40 and 39,350.48 is: 54,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,641.08 : 93,359.40 = 39,350.48 : x
  2. Step 2: Convert to fraction form
    67,641.08/93,359.40 = 39,350.48/x
  3. Step 3: Cross multiply
    67,641.08x = 93,359.40 × 39,350.48
  4. Step 4: Simplify right side
    67,641.08x = 3,673,737,202.51
  5. Step 5: Solve for x
    x = 3,673,737,202.51/67,641.08
  6. Step 6: Final answer
    x = 54,312.22

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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.