Home / 115,303.40-172,642.44-59,782.76

Finding the Fourth Proportional to 115,303.40, 172,642.44 and 59,782.76

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Solution

The fourth proportional to 115,303.40, 172,642.44 and 59,782.76 is: 89,512.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,303.40 : 172,642.44 = 59,782.76 : x
  2. Step 2: Convert to fraction form
    115,303.40/172,642.44 = 59,782.76/x
  3. Step 3: Cross multiply
    115,303.40x = 172,642.44 × 59,782.76
  4. Step 4: Simplify right side
    115,303.40x = 10,321,041,556.33
  5. Step 5: Solve for x
    x = 10,321,041,556.33/115,303.40
  6. Step 6: Final answer
    x = 89,512.03

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1.5x scale

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.