Home / 124,558.32-171,894.64-67,972.80

Finding the Fourth Proportional to 124,558.32, 171,894.64 and 67,972.80

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Solution

The fourth proportional to 124,558.32, 171,894.64 and 67,972.80 is: 93,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,558.32 : 171,894.64 = 67,972.80 : x
  2. Step 2: Convert to fraction form
    124,558.32/171,894.64 = 67,972.80/x
  3. Step 3: Cross multiply
    124,558.32x = 171,894.64 × 67,972.80
  4. Step 4: Simplify right side
    124,558.32x = 11,684,159,985.79
  5. Step 5: Solve for x
    x = 11,684,159,985.79/124,558.32
  6. Step 6: Final answer
    x = 93,804.73

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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.