Home / 77,200.02-106,528.50-43,206.48

Finding the Fourth Proportional to 77,200.02, 106,528.50 and 43,206.48

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Solution

The fourth proportional to 77,200.02, 106,528.50 and 43,206.48 is: 59,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,200.02 : 106,528.50 = 43,206.48 : x
  2. Step 2: Convert to fraction form
    77,200.02/106,528.50 = 43,206.48/x
  3. Step 3: Cross multiply
    77,200.02x = 106,528.50 × 43,206.48
  4. Step 4: Simplify right side
    77,200.02x = 4,602,721,504.68
  5. Step 5: Solve for x
    x = 4,602,721,504.68/77,200.02
  6. Step 6: Final answer
    x = 59,620.73

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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.