Home / 67,657.86-93,345.09-39,340.26

Finding the Fourth Proportional to 67,657.86, 93,345.09 and 39,340.26

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Solution

The fourth proportional to 67,657.86, 93,345.09 and 39,340.26 is: 54,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,657.86 : 93,345.09 = 39,340.26 : x
  2. Step 2: Convert to fraction form
    67,657.86/93,345.09 = 39,340.26/x
  3. Step 3: Cross multiply
    67,657.86x = 93,345.09 × 39,340.26
  4. Step 4: Simplify right side
    67,657.86x = 3,672,220,110.32
  5. Step 5: Solve for x
    x = 3,672,220,110.32/67,657.86
  6. Step 6: Final answer
    x = 54,276.33

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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.