Home / 55,023.83-75,762.86-42,972.99

Finding the Fourth Proportional to 55,023.83, 75,762.86 and 42,972.99

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Solution

The fourth proportional to 55,023.83, 75,762.86 and 42,972.99 is: 59,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,023.83 : 75,762.86 = 42,972.99 : x
  2. Step 2: Convert to fraction form
    55,023.83/75,762.86 = 42,972.99/x
  3. Step 3: Cross multiply
    55,023.83x = 75,762.86 × 42,972.99
  4. Step 4: Simplify right side
    55,023.83x = 3,255,756,625.15
  5. Step 5: Solve for x
    x = 3,255,756,625.15/55,023.83
  6. Step 6: Final answer
    x = 59,169.94

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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.