Home / 73,931.79-101,990.31-48,427.14

Finding the Fourth Proportional to 73,931.79, 101,990.31 and 48,427.14

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Solution

The fourth proportional to 73,931.79, 101,990.31 and 48,427.14 is: 66,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,931.79 : 101,990.31 = 48,427.14 : x
  2. Step 2: Convert to fraction form
    73,931.79/101,990.31 = 48,427.14/x
  3. Step 3: Cross multiply
    73,931.79x = 101,990.31 × 48,427.14
  4. Step 4: Simplify right side
    73,931.79x = 4,939,099,021.01
  5. Step 5: Solve for x
    x = 4,939,099,021.01/73,931.79
  6. Step 6: Final answer
    x = 66,806.16

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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.