Home / 65,222.10-89,968.59-36,922.32

Finding the Fourth Proportional to 65,222.10, 89,968.59 and 36,922.32

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Solution

The fourth proportional to 65,222.10, 89,968.59 and 36,922.32 is: 50,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,222.10 : 89,968.59 = 36,922.32 : x
  2. Step 2: Convert to fraction form
    65,222.10/89,968.59 = 36,922.32/x
  3. Step 3: Cross multiply
    65,222.10x = 89,968.59 × 36,922.32
  4. Step 4: Simplify right side
    65,222.10x = 3,321,849,069.93
  5. Step 5: Solve for x
    x = 3,321,849,069.93/65,222.10
  6. Step 6: Final answer
    x = 50,931.34

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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.