Home / 91,212.96-125,886.48-50,929.33

Finding the Fourth Proportional to 91,212.96, 125,886.48 and 50,929.33

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Solution

The fourth proportional to 91,212.96, 125,886.48 and 50,929.33 is: 70,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,212.96 : 125,886.48 = 50,929.33 : x
  2. Step 2: Convert to fraction form
    91,212.96/125,886.48 = 50,929.33/x
  3. Step 3: Cross multiply
    91,212.96x = 125,886.48 × 50,929.33
  4. Step 4: Simplify right side
    91,212.96x = 6,411,314,048.83
  5. Step 5: Solve for x
    x = 6,411,314,048.83/91,212.96
  6. Step 6: Final answer
    x = 70,289.51

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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.