Home / 58,112.80-80,220.08-49,206.48

Finding the Fourth Proportional to 58,112.80, 80,220.08 and 49,206.48

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Solution

The fourth proportional to 58,112.80, 80,220.08 and 49,206.48 is: 67,925.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,112.80 : 80,220.08 = 49,206.48 : x
  2. Step 2: Convert to fraction form
    58,112.80/80,220.08 = 49,206.48/x
  3. Step 3: Cross multiply
    58,112.80x = 80,220.08 × 49,206.48
  4. Step 4: Simplify right side
    58,112.80x = 3,947,347,762.12
  5. Step 5: Solve for x
    x = 3,947,347,762.12/58,112.80
  6. Step 6: Final answer
    x = 67,925.62

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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.