Home / 54,810.18-75,630-32,140.62

Finding the Fourth Proportional to 54,810.18, 75,630 and 32,140.62

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Solution

The fourth proportional to 54,810.18, 75,630 and 32,140.62 is: 44,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.18 : 75,630 = 32,140.62 : x
  2. Step 2: Convert to fraction form
    54,810.18/75,630 = 32,140.62/x
  3. Step 3: Cross multiply
    54,810.18x = 75,630 × 32,140.62
  4. Step 4: Simplify right side
    54,810.18x = 2,430,795,090.60
  5. Step 5: Solve for x
    x = 2,430,795,090.60/54,810.18
  6. Step 6: Final answer
    x = 44,349.34

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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.