Home / 53,430.20-73,701.56-35,281.09

Finding the Fourth Proportional to 53,430.20, 73,701.56 and 35,281.09

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Solution

The fourth proportional to 53,430.20, 73,701.56 and 35,281.09 is: 48,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,430.20 : 73,701.56 = 35,281.09 : x
  2. Step 2: Convert to fraction form
    53,430.20/73,701.56 = 35,281.09/x
  3. Step 3: Cross multiply
    53,430.20x = 73,701.56 × 35,281.09
  4. Step 4: Simplify right side
    53,430.20x = 2,600,271,610.27
  5. Step 5: Solve for x
    x = 2,600,271,610.27/53,430.20
  6. Step 6: Final answer
    x = 48,666.70

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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.