Home / 64,139.66-88,505.06-35,455.45

Finding the Fourth Proportional to 64,139.66, 88,505.06 and 35,455.45

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Solution

The fourth proportional to 64,139.66, 88,505.06 and 35,455.45 is: 48,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,139.66 : 88,505.06 = 35,455.45 : x
  2. Step 2: Convert to fraction form
    64,139.66/88,505.06 = 35,455.45/x
  3. Step 3: Cross multiply
    64,139.66x = 88,505.06 × 35,455.45
  4. Step 4: Simplify right side
    64,139.66x = 3,137,986,729.58
  5. Step 5: Solve for x
    x = 3,137,986,729.58/64,139.66
  6. Step 6: Final answer
    x = 48,924.28

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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.