Home / 84,680.31-116,858.67-48,870.30

Finding the Fourth Proportional to 84,680.31, 116,858.67 and 48,870.30

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Solution

The fourth proportional to 84,680.31, 116,858.67 and 48,870.30 is: 67,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,680.31 : 116,858.67 = 48,870.30 : x
  2. Step 2: Convert to fraction form
    84,680.31/116,858.67 = 48,870.30/x
  3. Step 3: Cross multiply
    84,680.31x = 116,858.67 × 48,870.30
  4. Step 4: Simplify right side
    84,680.31x = 5,710,918,260.50
  5. Step 5: Solve for x
    x = 5,710,918,260.50/84,680.31
  6. Step 6: Final answer
    x = 67,440.92

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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.