Home / 84,632.80-116,740.16-54,457.33

Finding the Fourth Proportional to 84,632.80, 116,740.16 and 54,457.33

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Solution

The fourth proportional to 84,632.80, 116,740.16 and 54,457.33 is: 75,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,632.80 : 116,740.16 = 54,457.33 : x
  2. Step 2: Convert to fraction form
    84,632.80/116,740.16 = 54,457.33/x
  3. Step 3: Cross multiply
    84,632.80x = 116,740.16 × 54,457.33
  4. Step 4: Simplify right side
    84,632.80x = 6,357,357,145.09
  5. Step 5: Solve for x
    x = 6,357,357,145.09/84,632.80
  6. Step 6: Final answer
    x = 75,116.94

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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.