Home / 88,125.06-121,638.24-53,682.24

Finding the Fourth Proportional to 88,125.06, 121,638.24 and 53,682.24

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Solution

The fourth proportional to 88,125.06, 121,638.24 and 53,682.24 is: 74,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,125.06 : 121,638.24 = 53,682.24 : x
  2. Step 2: Convert to fraction form
    88,125.06/121,638.24 = 53,682.24/x
  3. Step 3: Cross multiply
    88,125.06x = 121,638.24 × 53,682.24
  4. Step 4: Simplify right side
    88,125.06x = 6,529,813,192.86
  5. Step 5: Solve for x
    x = 6,529,813,192.86/88,125.06
  6. Step 6: Final answer
    x = 74,097.12

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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.