Home / 79,427.04-118,959.12-37,903.20

Finding the Fourth Proportional to 79,427.04, 118,959.12 and 37,903.20

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Solution

The fourth proportional to 79,427.04, 118,959.12 and 37,903.20 is: 56,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,427.04 : 118,959.12 = 37,903.20 : x
  2. Step 2: Convert to fraction form
    79,427.04/118,959.12 = 37,903.20/x
  3. Step 3: Cross multiply
    79,427.04x = 118,959.12 × 37,903.20
  4. Step 4: Simplify right side
    79,427.04x = 4,508,931,317.18
  5. Step 5: Solve for x
    x = 4,508,931,317.18/79,427.04
  6. Step 6: Final answer
    x = 56,768.22

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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.