Home / 84,526.86-126,802.65-25,367.20

Finding the Fourth Proportional to 84,526.86, 126,802.65 and 25,367.20

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Solution

The fourth proportional to 84,526.86, 126,802.65 and 25,367.20 is: 38,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,526.86 : 126,802.65 = 25,367.20 : x
  2. Step 2: Convert to fraction form
    84,526.86/126,802.65 = 25,367.20/x
  3. Step 3: Cross multiply
    84,526.86x = 126,802.65 × 25,367.20
  4. Step 4: Simplify right side
    84,526.86x = 3,216,628,500.09
  5. Step 5: Solve for x
    x = 3,216,628,500.09/84,526.86
  6. Step 6: Final answer
    x = 38,054.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.