Home / 79,115.80-118,570.02-32,315.08

Finding the Fourth Proportional to 79,115.80, 118,570.02 and 32,315.08

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Solution

The fourth proportional to 79,115.80, 118,570.02 and 32,315.08 is: 48,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,115.80 : 118,570.02 = 32,315.08 : x
  2. Step 2: Convert to fraction form
    79,115.80/118,570.02 = 32,315.08/x
  3. Step 3: Cross multiply
    79,115.80x = 118,570.02 × 32,315.08
  4. Step 4: Simplify right side
    79,115.80x = 3,831,599,681.90
  5. Step 5: Solve for x
    x = 3,831,599,681.90/79,115.80
  6. Step 6: Final answer
    x = 48,430.27

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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.