Home / 64,047.20-88,189.47-58,039.79

Finding the Fourth Proportional to 64,047.20, 88,189.47 and 58,039.79

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Solution

The fourth proportional to 64,047.20, 88,189.47 and 58,039.79 is: 79,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,047.20 : 88,189.47 = 58,039.79 : x
  2. Step 2: Convert to fraction form
    64,047.20/88,189.47 = 58,039.79/x
  3. Step 3: Cross multiply
    64,047.20x = 88,189.47 × 58,039.79
  4. Step 4: Simplify right side
    64,047.20x = 5,118,497,878.06
  5. Step 5: Solve for x
    x = 5,118,497,878.06/64,047.20
  6. Step 6: Final answer
    x = 79,917.60

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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.