Home / 70,940.06-106,177.70-38,870.23

Finding the Fourth Proportional to 70,940.06, 106,177.70 and 38,870.23

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Solution

The fourth proportional to 70,940.06, 106,177.70 and 38,870.23 is: 58,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,940.06 : 106,177.70 = 38,870.23 : x
  2. Step 2: Convert to fraction form
    70,940.06/106,177.70 = 38,870.23/x
  3. Step 3: Cross multiply
    70,940.06x = 106,177.70 × 38,870.23
  4. Step 4: Simplify right side
    70,940.06x = 4,127,151,619.87
  5. Step 5: Solve for x
    x = 4,127,151,619.87/70,940.06
  6. Step 6: Final answer
    x = 58,178.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.