Home / 76,973.61-106,223.27-43,439.37

Finding the Fourth Proportional to 76,973.61, 106,223.27 and 43,439.37

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Solution

The fourth proportional to 76,973.61, 106,223.27 and 43,439.37 is: 59,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,973.61 : 106,223.27 = 43,439.37 : x
  2. Step 2: Convert to fraction form
    76,973.61/106,223.27 = 43,439.37/x
  3. Step 3: Cross multiply
    76,973.61x = 106,223.27 × 43,439.37
  4. Step 4: Simplify right side
    76,973.61x = 4,614,271,710.94
  5. Step 5: Solve for x
    x = 4,614,271,710.94/76,973.61
  6. Step 6: Final answer
    x = 59,946.15

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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.