Home / 47,163.18-65,085.18-28,300.32

Finding the Fourth Proportional to 47,163.18, 65,085.18 and 28,300.32

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Solution

The fourth proportional to 47,163.18, 65,085.18 and 28,300.32 is: 39,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,163.18 : 65,085.18 = 28,300.32 : x
  2. Step 2: Convert to fraction form
    47,163.18/65,085.18 = 28,300.32/x
  3. Step 3: Cross multiply
    47,163.18x = 65,085.18 × 28,300.32
  4. Step 4: Simplify right side
    47,163.18x = 1,841,931,421.26
  5. Step 5: Solve for x
    x = 1,841,931,421.26/47,163.18
  6. Step 6: Final answer
    x = 39,054.44

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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.