Home / 84,157.50-116,139.87-46,434.18

Finding the Fourth Proportional to 84,157.50, 116,139.87 and 46,434.18

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Solution

The fourth proportional to 84,157.50, 116,139.87 and 46,434.18 is: 64,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,157.50 : 116,139.87 = 46,434.18 : x
  2. Step 2: Convert to fraction form
    84,157.50/116,139.87 = 46,434.18/x
  3. Step 3: Cross multiply
    84,157.50x = 116,139.87 × 46,434.18
  4. Step 4: Simplify right side
    84,157.50x = 5,392,859,628.76
  5. Step 5: Solve for x
    x = 5,392,859,628.76/84,157.50
  6. Step 6: Final answer
    x = 64,080.56

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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.