Home / 84,569.05-116,439.55-71,795.76

Finding the Fourth Proportional to 84,569.05, 116,439.55 and 71,795.76

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Solution

The fourth proportional to 84,569.05, 116,439.55 and 71,795.76 is: 98,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,569.05 : 116,439.55 = 71,795.76 : x
  2. Step 2: Convert to fraction form
    84,569.05/116,439.55 = 71,795.76/x
  3. Step 3: Cross multiply
    84,569.05x = 116,439.55 × 71,795.76
  4. Step 4: Simplify right side
    84,569.05x = 8,359,865,986.31
  5. Step 5: Solve for x
    x = 8,359,865,986.31/84,569.05
  6. Step 6: Final answer
    x = 98,852.55

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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.