Home / 47,159.18-65,079.68-28,296.32

Finding the Fourth Proportional to 47,159.18, 65,079.68 and 28,296.32

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Solution

The fourth proportional to 47,159.18, 65,079.68 and 28,296.32 is: 39,048.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,159.18 : 65,079.68 = 28,296.32 : x
  2. Step 2: Convert to fraction form
    47,159.18/65,079.68 = 28,296.32/x
  3. Step 3: Cross multiply
    47,159.18x = 65,079.68 × 28,296.32
  4. Step 4: Simplify right side
    47,159.18x = 1,841,515,450.78
  5. Step 5: Solve for x
    x = 1,841,515,450.78/47,159.18
  6. Step 6: Final answer
    x = 39,048.93

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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.