Home / 70,178.16-105,340.14-46,966.80

Finding the Fourth Proportional to 70,178.16, 105,340.14 and 46,966.80

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Solution

The fourth proportional to 70,178.16, 105,340.14 and 46,966.80 is: 70,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,178.16 : 105,340.14 = 46,966.80 : x
  2. Step 2: Convert to fraction form
    70,178.16/105,340.14 = 46,966.80/x
  3. Step 3: Cross multiply
    70,178.16x = 105,340.14 × 46,966.80
  4. Step 4: Simplify right side
    70,178.16x = 4,947,489,287.35
  5. Step 5: Solve for x
    x = 4,947,489,287.35/70,178.16
  6. Step 6: Final answer
    x = 70,498.99

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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.