Home / 64,403.20-96,604.80-59,334.40

Finding the Fourth Proportional to 64,403.20, 96,604.80 and 59,334.40

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Solution

The fourth proportional to 64,403.20, 96,604.80 and 59,334.40 is: 89,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,403.20 : 96,604.80 = 59,334.40 : x
  2. Step 2: Convert to fraction form
    64,403.20/96,604.80 = 59,334.40/x
  3. Step 3: Cross multiply
    64,403.20x = 96,604.80 × 59,334.40
  4. Step 4: Simplify right side
    64,403.20x = 5,731,987,845.12
  5. Step 5: Solve for x
    x = 5,731,987,845.12/64,403.20
  6. Step 6: Final answer
    x = 89,001.60

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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.