Home / 53,360.52-80,089.38-28,421.43

Finding the Fourth Proportional to 53,360.52, 80,089.38 and 28,421.43

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Solution

The fourth proportional to 53,360.52, 80,089.38 and 28,421.43 is: 42,658.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,360.52 : 80,089.38 = 28,421.43 : x
  2. Step 2: Convert to fraction form
    53,360.52/80,089.38 = 28,421.43/x
  3. Step 3: Cross multiply
    53,360.52x = 80,089.38 × 28,421.43
  4. Step 4: Simplify right side
    53,360.52x = 2,276,254,707.41
  5. Step 5: Solve for x
    x = 2,276,254,707.41/53,360.52
  6. Step 6: Final answer
    x = 42,658.03

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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.