Home / 65,631.14-90,478.95-46,453.88

Finding the Fourth Proportional to 65,631.14, 90,478.95 and 46,453.88

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Solution

The fourth proportional to 65,631.14, 90,478.95 and 46,453.88 is: 64,041.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,631.14 : 90,478.95 = 46,453.88 : x
  2. Step 2: Convert to fraction form
    65,631.14/90,478.95 = 46,453.88/x
  3. Step 3: Cross multiply
    65,631.14x = 90,478.95 × 46,453.88
  4. Step 4: Simplify right side
    65,631.14x = 4,203,098,285.83
  5. Step 5: Solve for x
    x = 4,203,098,285.83/65,631.14
  6. Step 6: Final answer
    x = 64,041.22

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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.