Home / 47,601.16-71,416.67-28,646.48

Finding the Fourth Proportional to 47,601.16, 71,416.67 and 28,646.48

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Solution

The fourth proportional to 47,601.16, 71,416.67 and 28,646.48 is: 42,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,601.16 : 71,416.67 = 28,646.48 : x
  2. Step 2: Convert to fraction form
    47,601.16/71,416.67 = 28,646.48/x
  3. Step 3: Cross multiply
    47,601.16x = 71,416.67 × 28,646.48
  4. Step 4: Simplify right side
    47,601.16x = 2,045,835,708.51
  5. Step 5: Solve for x
    x = 2,045,835,708.51/47,601.16
  6. Step 6: Final answer
    x = 42,978.69

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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.