Home / 96,813.04-145,090.36-51,742

Finding the Fourth Proportional to 96,813.04, 145,090.36 and 51,742

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Solution

The fourth proportional to 96,813.04, 145,090.36 and 51,742 is: 77,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,813.04 : 145,090.36 = 51,742 : x
  2. Step 2: Convert to fraction form
    96,813.04/145,090.36 = 51,742/x
  3. Step 3: Cross multiply
    96,813.04x = 145,090.36 × 51,742
  4. Step 4: Simplify right side
    96,813.04x = 7,507,265,407.12
  5. Step 5: Solve for x
    x = 7,507,265,407.12/96,813.04
  6. Step 6: Final answer
    x = 77,543.95

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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.