Home / 47,779.02-71,670.78-14,503.86

Finding the Fourth Proportional to 47,779.02, 71,670.78 and 14,503.86

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Solution

The fourth proportional to 47,779.02, 71,670.78 and 14,503.86 is: 21,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779.02 : 71,670.78 = 14,503.86 : x
  2. Step 2: Convert to fraction form
    47,779.02/71,670.78 = 14,503.86/x
  3. Step 3: Cross multiply
    47,779.02x = 71,670.78 × 14,503.86
  4. Step 4: Simplify right side
    47,779.02x = 1,039,502,959.21
  5. Step 5: Solve for x
    x = 1,039,502,959.21/47,779.02
  6. Step 6: Final answer
    x = 21,756.47

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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.