Home / 108,994.18-163,554.36-45,809.32

Finding the Fourth Proportional to 108,994.18, 163,554.36 and 45,809.32

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Solution

The fourth proportional to 108,994.18, 163,554.36 and 45,809.32 is: 68,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,994.18 : 163,554.36 = 45,809.32 : x
  2. Step 2: Convert to fraction form
    108,994.18/163,554.36 = 45,809.32/x
  3. Step 3: Cross multiply
    108,994.18x = 163,554.36 × 45,809.32
  4. Step 4: Simplify right side
    108,994.18x = 7,492,314,014.64
  5. Step 5: Solve for x
    x = 7,492,314,014.64/108,994.18
  6. Step 6: Final answer
    x = 68,740.50

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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.