Home / 84,736.80-116,859.60-70,567.20

Finding the Fourth Proportional to 84,736.80, 116,859.60 and 70,567.20

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Solution

The fourth proportional to 84,736.80, 116,859.60 and 70,567.20 is: 97,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.80 : 116,859.60 = 70,567.20 : x
  2. Step 2: Convert to fraction form
    84,736.80/116,859.60 = 70,567.20/x
  3. Step 3: Cross multiply
    84,736.80x = 116,859.60 × 70,567.20
  4. Step 4: Simplify right side
    84,736.80x = 8,246,454,765.12
  5. Step 5: Solve for x
    x = 8,246,454,765.12/84,736.80
  6. Step 6: Final answer
    x = 97,318.46

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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.