Home / 64,137.60-88,507.86-45,045.12

Finding the Fourth Proportional to 64,137.60, 88,507.86 and 45,045.12

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Solution

The fourth proportional to 64,137.60, 88,507.86 and 45,045.12 is: 62,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,137.60 : 88,507.86 = 45,045.12 : x
  2. Step 2: Convert to fraction form
    64,137.60/88,507.86 = 45,045.12/x
  3. Step 3: Cross multiply
    64,137.60x = 88,507.86 × 45,045.12
  4. Step 4: Simplify right side
    64,137.60x = 3,986,847,174.64
  5. Step 5: Solve for x
    x = 3,986,847,174.64/64,137.60
  6. Step 6: Final answer
    x = 62,160.84

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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.