Home / 124,208.48-171,409.56-67,620.80

Finding the Fourth Proportional to 124,208.48, 171,409.56 and 67,620.80

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Solution

The fourth proportional to 124,208.48, 171,409.56 and 67,620.80 is: 93,317.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,208.48 : 171,409.56 = 67,620.80 : x
  2. Step 2: Convert to fraction form
    124,208.48/171,409.56 = 67,620.80/x
  3. Step 3: Cross multiply
    124,208.48x = 171,409.56 × 67,620.80
  4. Step 4: Simplify right side
    124,208.48x = 11,590,851,574.85
  5. Step 5: Solve for x
    x = 11,590,851,574.85/124,208.48
  6. Step 6: Final answer
    x = 93,317.72

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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.