Home / 71,547.45-98,728.16-41,342.50

Finding the Fourth Proportional to 71,547.45, 98,728.16 and 41,342.50

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Solution

The fourth proportional to 71,547.45, 98,728.16 and 41,342.50 is: 57,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,547.45 : 98,728.16 = 41,342.50 : x
  2. Step 2: Convert to fraction form
    71,547.45/98,728.16 = 41,342.50/x
  3. Step 3: Cross multiply
    71,547.45x = 98,728.16 × 41,342.50
  4. Step 4: Simplify right side
    71,547.45x = 4,081,668,811.34
  5. Step 5: Solve for x
    x = 4,081,668,811.34/71,547.45
  6. Step 6: Final answer
    x = 57,048.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.