Home / 74,955.23-103,439.58-40,965.16

Finding the Fourth Proportional to 74,955.23, 103,439.58 and 40,965.16

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Solution

The fourth proportional to 74,955.23, 103,439.58 and 40,965.16 is: 56,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,955.23 : 103,439.58 = 40,965.16 : x
  2. Step 2: Convert to fraction form
    74,955.23/103,439.58 = 40,965.16/x
  3. Step 3: Cross multiply
    74,955.23x = 103,439.58 × 40,965.16
  4. Step 4: Simplify right side
    74,955.23x = 4,237,418,945.03
  5. Step 5: Solve for x
    x = 4,237,418,945.03/74,955.23
  6. Step 6: Final answer
    x = 56,532.67

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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.