Home / 105,800.63-146,004.85-60,479.60

Finding the Fourth Proportional to 105,800.63, 146,004.85 and 60,479.60

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Solution

The fourth proportional to 105,800.63, 146,004.85 and 60,479.60 is: 83,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,800.63 : 146,004.85 = 60,479.60 : x
  2. Step 2: Convert to fraction form
    105,800.63/146,004.85 = 60,479.60/x
  3. Step 3: Cross multiply
    105,800.63x = 146,004.85 × 60,479.60
  4. Step 4: Simplify right side
    105,800.63x = 8,830,313,931.44
  5. Step 5: Solve for x
    x = 8,830,313,931.44/105,800.63
  6. Step 6: Final answer
    x = 83,461.83

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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.