Home / 77,289.39-106,653.24-43,295.22

Finding the Fourth Proportional to 77,289.39, 106,653.24 and 43,295.22

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Solution

The fourth proportional to 77,289.39, 106,653.24 and 43,295.22 is: 59,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,289.39 : 106,653.24 = 43,295.22 : x
  2. Step 2: Convert to fraction form
    77,289.39/106,653.24 = 43,295.22/x
  3. Step 3: Cross multiply
    77,289.39x = 106,653.24 × 43,295.22
  4. Step 4: Simplify right side
    77,289.39x = 4,617,575,489.51
  5. Step 5: Solve for x
    x = 4,617,575,489.51/77,289.39
  6. Step 6: Final answer
    x = 59,743.98

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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.