Home / 74,931.95-112,453.37-35,489.16

Finding the Fourth Proportional to 74,931.95, 112,453.37 and 35,489.16

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Solution

The fourth proportional to 74,931.95, 112,453.37 and 35,489.16 is: 53,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931.95 : 112,453.37 = 35,489.16 : x
  2. Step 2: Convert to fraction form
    74,931.95/112,453.37 = 35,489.16/x
  3. Step 3: Cross multiply
    74,931.95x = 112,453.37 × 35,489.16
  4. Step 4: Simplify right side
    74,931.95x = 3,990,875,078.20
  5. Step 5: Solve for x
    x = 3,990,875,078.20/74,931.95
  6. Step 6: Final answer
    x = 53,260.00

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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.