Home / 75,783.60-113,677.56-29,040.12

Finding the Fourth Proportional to 75,783.60, 113,677.56 and 29,040.12

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Solution

The fourth proportional to 75,783.60, 113,677.56 and 29,040.12 is: 43,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,783.60 : 113,677.56 = 29,040.12 : x
  2. Step 2: Convert to fraction form
    75,783.60/113,677.56 = 29,040.12/x
  3. Step 3: Cross multiply
    75,783.60x = 113,677.56 × 29,040.12
  4. Step 4: Simplify right side
    75,783.60x = 3,301,209,983.71
  5. Step 5: Solve for x
    x = 3,301,209,983.71/75,783.60
  6. Step 6: Final answer
    x = 43,561.01

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1.5x scale

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.