Home / 75,020.69-103,095.63-71,551.46

Finding the Fourth Proportional to 75,020.69, 103,095.63 and 71,551.46

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Solution

The fourth proportional to 75,020.69, 103,095.63 and 71,551.46 is: 98,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,020.69 : 103,095.63 = 71,551.46 : x
  2. Step 2: Convert to fraction form
    75,020.69/103,095.63 = 71,551.46/x
  3. Step 3: Cross multiply
    75,020.69x = 103,095.63 × 71,551.46
  4. Step 4: Simplify right side
    75,020.69x = 7,376,642,846.12
  5. Step 5: Solve for x
    x = 7,376,642,846.12/75,020.69
  6. Step 6: Final answer
    x = 98,328.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.