Home / 64,877.20-89,530.56-35,069.20

Finding the Fourth Proportional to 64,877.20, 89,530.56 and 35,069.20

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Solution

The fourth proportional to 64,877.20, 89,530.56 and 35,069.20 is: 48,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,877.20 : 89,530.56 = 35,069.20 : x
  2. Step 2: Convert to fraction form
    64,877.20/89,530.56 = 35,069.20/x
  3. Step 3: Cross multiply
    64,877.20x = 89,530.56 × 35,069.20
  4. Step 4: Simplify right side
    64,877.20x = 3,139,765,114.75
  5. Step 5: Solve for x
    x = 3,139,765,114.75/64,877.20
  6. Step 6: Final answer
    x = 48,395.51

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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.