Home / 74,567.04-111,875.16-30,231.08

Finding the Fourth Proportional to 74,567.04, 111,875.16 and 30,231.08

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Solution

The fourth proportional to 74,567.04, 111,875.16 and 30,231.08 is: 45,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,567.04 : 111,875.16 = 30,231.08 : x
  2. Step 2: Convert to fraction form
    74,567.04/111,875.16 = 30,231.08/x
  3. Step 3: Cross multiply
    74,567.04x = 111,875.16 × 30,231.08
  4. Step 4: Simplify right side
    74,567.04x = 3,382,106,911.97
  5. Step 5: Solve for x
    x = 3,382,106,911.97/74,567.04
  6. Step 6: Final answer
    x = 45,356.59

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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.