Home / 70,398.04-105,585.84-23,012.80

Finding the Fourth Proportional to 70,398.04, 105,585.84 and 23,012.80

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Solution

The fourth proportional to 70,398.04, 105,585.84 and 23,012.80 is: 34,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,398.04 : 105,585.84 = 23,012.80 : x
  2. Step 2: Convert to fraction form
    70,398.04/105,585.84 = 23,012.80/x
  3. Step 3: Cross multiply
    70,398.04x = 105,585.84 × 23,012.80
  4. Step 4: Simplify right side
    70,398.04x = 2,429,825,818.75
  5. Step 5: Solve for x
    x = 2,429,825,818.75/70,398.04
  6. Step 6: Final answer
    x = 34,515.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.