Home / 76,329.28-105,334.38-46,521.28

Finding the Fourth Proportional to 76,329.28, 105,334.38 and 46,521.28

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Solution

The fourth proportional to 76,329.28, 105,334.38 and 46,521.28 is: 64,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,329.28 : 105,334.38 = 46,521.28 : x
  2. Step 2: Convert to fraction form
    76,329.28/105,334.38 = 46,521.28/x
  3. Step 3: Cross multiply
    76,329.28x = 105,334.38 × 46,521.28
  4. Step 4: Simplify right side
    76,329.28x = 4,900,290,185.61
  5. Step 5: Solve for x
    x = 4,900,290,185.61/76,329.28
  6. Step 6: Final answer
    x = 64,199.35

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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.