Home / 76,578.04-105,657.72-44,728.84

Finding the Fourth Proportional to 76,578.04, 105,657.72 and 44,728.84

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Solution

The fourth proportional to 76,578.04, 105,657.72 and 44,728.84 is: 61,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,578.04 : 105,657.72 = 44,728.84 : x
  2. Step 2: Convert to fraction form
    76,578.04/105,657.72 = 44,728.84/x
  3. Step 3: Cross multiply
    76,578.04x = 105,657.72 × 44,728.84
  4. Step 4: Simplify right side
    76,578.04x = 4,725,947,252.64
  5. Step 5: Solve for x
    x = 4,725,947,252.64/76,578.04
  6. Step 6: Final answer
    x = 61,714.13

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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.