Home / 46,785.86-70,196.28-28,079.30

Finding the Fourth Proportional to 46,785.86, 70,196.28 and 28,079.30

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Solution

The fourth proportional to 46,785.86, 70,196.28 and 28,079.30 is: 42,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,785.86 : 70,196.28 = 28,079.30 : x
  2. Step 2: Convert to fraction form
    46,785.86/70,196.28 = 28,079.30/x
  3. Step 3: Cross multiply
    46,785.86x = 70,196.28 × 28,079.30
  4. Step 4: Simplify right side
    46,785.86x = 1,971,062,405.00
  5. Step 5: Solve for x
    x = 1,971,062,405.00/46,785.86
  6. Step 6: Final answer
    x = 42,129.45

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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.