Home / 45,585.77-68,385.47-15,998.40

Finding the Fourth Proportional to 45,585.77, 68,385.47 and 15,998.40

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Solution

The fourth proportional to 45,585.77, 68,385.47 and 15,998.40 is: 23,999.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,585.77 : 68,385.47 = 15,998.40 : x
  2. Step 2: Convert to fraction form
    45,585.77/68,385.47 = 15,998.40/x
  3. Step 3: Cross multiply
    45,585.77x = 68,385.47 × 15,998.40
  4. Step 4: Simplify right side
    45,585.77x = 1,094,058,023.26
  5. Step 5: Solve for x
    x = 1,094,058,023.26/45,585.77
  6. Step 6: Final answer
    x = 23,999.99

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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.