Home / 53,895.51-81,025.74-43,438.95

Finding the Fourth Proportional to 53,895.51, 81,025.74 and 43,438.95

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Solution

The fourth proportional to 53,895.51, 81,025.74 and 43,438.95 is: 65,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.51 : 81,025.74 = 43,438.95 : x
  2. Step 2: Convert to fraction form
    53,895.51/81,025.74 = 43,438.95/x
  3. Step 3: Cross multiply
    53,895.51x = 81,025.74 × 43,438.95
  4. Step 4: Simplify right side
    53,895.51x = 3,519,673,068.57
  5. Step 5: Solve for x
    x = 3,519,673,068.57/53,895.51
  6. Step 6: Final answer
    x = 65,305.50

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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.