Home / 75,113.04-103,679.04-43,303.10

Finding the Fourth Proportional to 75,113.04, 103,679.04 and 43,303.10

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Solution

The fourth proportional to 75,113.04, 103,679.04 and 43,303.10 is: 59,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,113.04 : 103,679.04 = 43,303.10 : x
  2. Step 2: Convert to fraction form
    75,113.04/103,679.04 = 43,303.10/x
  3. Step 3: Cross multiply
    75,113.04x = 103,679.04 × 43,303.10
  4. Step 4: Simplify right side
    75,113.04x = 4,489,623,837.02
  5. Step 5: Solve for x
    x = 4,489,623,837.02/75,113.04
  6. Step 6: Final answer
    x = 59,771.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.