Home / 76,152.16-105,076.23-43,880.95

Finding the Fourth Proportional to 76,152.16, 105,076.23 and 43,880.95

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Solution

The fourth proportional to 76,152.16, 105,076.23 and 43,880.95 is: 60,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,152.16 : 105,076.23 = 43,880.95 : x
  2. Step 2: Convert to fraction form
    76,152.16/105,076.23 = 43,880.95/x
  3. Step 3: Cross multiply
    76,152.16x = 105,076.23 × 43,880.95
  4. Step 4: Simplify right side
    76,152.16x = 4,610,844,269.44
  5. Step 5: Solve for x
    x = 4,610,844,269.44/76,152.16
  6. Step 6: Final answer
    x = 60,547.78

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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.