Home / 52,271.07-72,128.86-29,605.53

Finding the Fourth Proportional to 52,271.07, 72,128.86 and 29,605.53

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Solution

The fourth proportional to 52,271.07, 72,128.86 and 29,605.53 is: 40,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,271.07 : 72,128.86 = 29,605.53 : x
  2. Step 2: Convert to fraction form
    52,271.07/72,128.86 = 29,605.53/x
  3. Step 3: Cross multiply
    52,271.07x = 72,128.86 × 29,605.53
  4. Step 4: Simplify right side
    52,271.07x = 2,135,413,128.60
  5. Step 5: Solve for x
    x = 2,135,413,128.60/52,271.07
  6. Step 6: Final answer
    x = 40,852.68

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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.