Home / 91,303.46-125,999.39-51,018.92

Finding the Fourth Proportional to 91,303.46, 125,999.39 and 51,018.92

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Solution

The fourth proportional to 91,303.46, 125,999.39 and 51,018.92 is: 70,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,303.46 : 125,999.39 = 51,018.92 : x
  2. Step 2: Convert to fraction form
    91,303.46/125,999.39 = 51,018.92/x
  3. Step 3: Cross multiply
    91,303.46x = 125,999.39 × 51,018.92
  4. Step 4: Simplify right side
    91,303.46x = 6,428,351,913.37
  5. Step 5: Solve for x
    x = 6,428,351,913.37/91,303.46
  6. Step 6: Final answer
    x = 70,406.45

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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.