Home / 51,339.12-70,808.76-35,450.16

Finding the Fourth Proportional to 51,339.12, 70,808.76 and 35,450.16

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Solution

The fourth proportional to 51,339.12, 70,808.76 and 35,450.16 is: 48,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,339.12 : 70,808.76 = 35,450.16 : x
  2. Step 2: Convert to fraction form
    51,339.12/70,808.76 = 35,450.16/x
  3. Step 3: Cross multiply
    51,339.12x = 70,808.76 × 35,450.16
  4. Step 4: Simplify right side
    51,339.12x = 2,510,181,871.40
  5. Step 5: Solve for x
    x = 2,510,181,871.40/51,339.12
  6. Step 6: Final answer
    x = 48,894.14

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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.