Home / 60,215.02-90,289.35-20,739.58

Finding the Fourth Proportional to 60,215.02, 90,289.35 and 20,739.58

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Solution

The fourth proportional to 60,215.02, 90,289.35 and 20,739.58 is: 31,097.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,215.02 : 90,289.35 = 20,739.58 : x
  2. Step 2: Convert to fraction form
    60,215.02/90,289.35 = 20,739.58/x
  3. Step 3: Cross multiply
    60,215.02x = 90,289.35 × 20,739.58
  4. Step 4: Simplify right side
    60,215.02x = 1,872,563,197.47
  5. Step 5: Solve for x
    x = 1,872,563,197.47/60,215.02
  6. Step 6: Final answer
    x = 31,097.94

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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.