Home / 88,280.71-121,829.73-47,997.19

Finding the Fourth Proportional to 88,280.71, 121,829.73 and 47,997.19

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Solution

The fourth proportional to 88,280.71, 121,829.73 and 47,997.19 is: 66,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,280.71 : 121,829.73 = 47,997.19 : x
  2. Step 2: Convert to fraction form
    88,280.71/121,829.73 = 47,997.19/x
  3. Step 3: Cross multiply
    88,280.71x = 121,829.73 × 47,997.19
  4. Step 4: Simplify right side
    88,280.71x = 5,847,484,698.46
  5. Step 5: Solve for x
    x = 5,847,484,698.46/88,280.71
  6. Step 6: Final answer
    x = 66,237.40

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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.