Home / 74,534.71-111,802.07-51,090.07

Finding the Fourth Proportional to 74,534.71, 111,802.07 and 51,090.07

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Solution

The fourth proportional to 74,534.71, 111,802.07 and 51,090.07 is: 76,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,534.71 : 111,802.07 = 51,090.07 : x
  2. Step 2: Convert to fraction form
    74,534.71/111,802.07 = 51,090.07/x
  3. Step 3: Cross multiply
    74,534.71x = 111,802.07 × 51,090.07
  4. Step 4: Simplify right side
    74,534.71x = 5,711,975,326.99
  5. Step 5: Solve for x
    x = 5,711,975,326.99/74,534.71
  6. Step 6: Final answer
    x = 76,635.11

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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.