Home / 88,051.94-121,508.93-49,289.75

Finding the Fourth Proportional to 88,051.94, 121,508.93 and 49,289.75

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Solution

The fourth proportional to 88,051.94, 121,508.93 and 49,289.75 is: 68,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,051.94 : 121,508.93 = 49,289.75 : x
  2. Step 2: Convert to fraction form
    88,051.94/121,508.93 = 49,289.75/x
  3. Step 3: Cross multiply
    88,051.94x = 121,508.93 × 49,289.75
  4. Step 4: Simplify right side
    88,051.94x = 5,989,144,782.47
  5. Step 5: Solve for x
    x = 5,989,144,782.47/88,051.94
  6. Step 6: Final answer
    x = 68,018.32

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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.