Home / 78,398.16-108,165.62-44,401.25

Finding the Fourth Proportional to 78,398.16, 108,165.62 and 44,401.25

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Solution

The fourth proportional to 78,398.16, 108,165.62 and 44,401.25 is: 61,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,398.16 : 108,165.62 = 44,401.25 : x
  2. Step 2: Convert to fraction form
    78,398.16/108,165.62 = 44,401.25/x
  3. Step 3: Cross multiply
    78,398.16x = 108,165.62 × 44,401.25
  4. Step 4: Simplify right side
    78,398.16x = 4,802,688,305.20
  5. Step 5: Solve for x
    x = 4,802,688,305.20/78,398.16
  6. Step 6: Final answer
    x = 61,260.22

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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.