Home / 88,095.45-121,572.62-47,809.56

Finding the Fourth Proportional to 88,095.45, 121,572.62 and 47,809.56

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Solution

The fourth proportional to 88,095.45, 121,572.62 and 47,809.56 is: 65,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,095.45 : 121,572.62 = 47,809.56 : x
  2. Step 2: Convert to fraction form
    88,095.45/121,572.62 = 47,809.56/x
  3. Step 3: Cross multiply
    88,095.45x = 121,572.62 × 47,809.56
  4. Step 4: Simplify right side
    88,095.45x = 5,812,333,231.20
  5. Step 5: Solve for x
    x = 5,812,333,231.20/88,095.45
  6. Step 6: Final answer
    x = 65,977.68

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1.5x scale

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.