Home / 54,445.60-81,668.40-47,533.60

Finding the Fourth Proportional to 54,445.60, 81,668.40 and 47,533.60

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Solution

The fourth proportional to 54,445.60, 81,668.40 and 47,533.60 is: 71,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445.60 : 81,668.40 = 47,533.60 : x
  2. Step 2: Convert to fraction form
    54,445.60/81,668.40 = 47,533.60/x
  3. Step 3: Cross multiply
    54,445.60x = 81,668.40 × 47,533.60
  4. Step 4: Simplify right side
    54,445.60x = 3,881,993,058.24
  5. Step 5: Solve for x
    x = 3,881,993,058.24/54,445.60
  6. Step 6: Final answer
    x = 71,300.40

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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.