Home / 74,245.07-111,365.75-21,655.01

Finding the Fourth Proportional to 74,245.07, 111,365.75 and 21,655.01

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Solution

The fourth proportional to 74,245.07, 111,365.75 and 21,655.01 is: 32,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,245.07 : 111,365.75 = 21,655.01 : x
  2. Step 2: Convert to fraction form
    74,245.07/111,365.75 = 21,655.01/x
  3. Step 3: Cross multiply
    74,245.07x = 111,365.75 × 21,655.01
  4. Step 4: Simplify right side
    74,245.07x = 2,411,626,762.46
  5. Step 5: Solve for x
    x = 2,411,626,762.46/74,245.07
  6. Step 6: Final answer
    x = 32,481.98

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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.