Home / 84,688.94-116,880.36-48,888.56

Finding the Fourth Proportional to 84,688.94, 116,880.36 and 48,888.56

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Solution

The fourth proportional to 84,688.94, 116,880.36 and 48,888.56 is: 67,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,688.94 : 116,880.36 = 48,888.56 : x
  2. Step 2: Convert to fraction form
    84,688.94/116,880.36 = 48,888.56/x
  3. Step 3: Cross multiply
    84,688.94x = 116,880.36 × 48,888.56
  4. Step 4: Simplify right side
    84,688.94x = 5,714,112,492.68
  5. Step 5: Solve for x
    x = 5,714,112,492.68/84,688.94
  6. Step 6: Final answer
    x = 67,471.77

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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.