Home / 79,199.02-118,798.48-31,814.10

Finding the Fourth Proportional to 79,199.02, 118,798.48 and 31,814.10

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Solution

The fourth proportional to 79,199.02, 118,798.48 and 31,814.10 is: 47,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,199.02 : 118,798.48 = 31,814.10 : x
  2. Step 2: Convert to fraction form
    79,199.02/118,798.48 = 31,814.10/x
  3. Step 3: Cross multiply
    79,199.02x = 118,798.48 × 31,814.10
  4. Step 4: Simplify right side
    79,199.02x = 3,779,466,722.57
  5. Step 5: Solve for x
    x = 3,779,466,722.57/79,199.02
  6. Step 6: Final answer
    x = 47,721.13

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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.