Home / 54,322.20-81,483.30-39,461.40

Finding the Fourth Proportional to 54,322.20, 81,483.30 and 39,461.40

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Solution

The fourth proportional to 54,322.20, 81,483.30 and 39,461.40 is: 59,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322.20 : 81,483.30 = 39,461.40 : x
  2. Step 2: Convert to fraction form
    54,322.20/81,483.30 = 39,461.40/x
  3. Step 3: Cross multiply
    54,322.20x = 81,483.30 × 39,461.40
  4. Step 4: Simplify right side
    54,322.20x = 3,215,445,094.62
  5. Step 5: Solve for x
    x = 3,215,445,094.62/54,322.20
  6. Step 6: Final answer
    x = 59,192.10

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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.