Home / 77,202.63-106,541.52-43,210.83

Finding the Fourth Proportional to 77,202.63, 106,541.52 and 43,210.83

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Solution

The fourth proportional to 77,202.63, 106,541.52 and 43,210.83 is: 59,632.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,202.63 : 106,541.52 = 43,210.83 : x
  2. Step 2: Convert to fraction form
    77,202.63/106,541.52 = 43,210.83/x
  3. Step 3: Cross multiply
    77,202.63x = 106,541.52 × 43,210.83
  4. Step 4: Simplify right side
    77,202.63x = 4,603,747,508.66
  5. Step 5: Solve for x
    x = 4,603,747,508.66/77,202.63
  6. Step 6: Final answer
    x = 59,632.00

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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.