Home / 64,421.85-88,903.10-48,260.53

Finding the Fourth Proportional to 64,421.85, 88,903.10 and 48,260.53

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Solution

The fourth proportional to 64,421.85, 88,903.10 and 48,260.53 is: 66,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,421.85 : 88,903.10 = 48,260.53 : x
  2. Step 2: Convert to fraction form
    64,421.85/88,903.10 = 48,260.53/x
  3. Step 3: Cross multiply
    64,421.85x = 88,903.10 × 48,260.53
  4. Step 4: Simplify right side
    64,421.85x = 4,290,510,724.64
  5. Step 5: Solve for x
    x = 4,290,510,724.64/64,421.85
  6. Step 6: Final answer
    x = 66,600.24

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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.