Home / 79,088.00-109,140.62-45,102.02

Finding the Fourth Proportional to 79,088.00, 109,140.62 and 45,102.02

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Solution

The fourth proportional to 79,088.00, 109,140.62 and 45,102.02 is: 62,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,088.00 : 109,140.62 = 45,102.02 : x
  2. Step 2: Convert to fraction form
    79,088.00/109,140.62 = 45,102.02/x
  3. Step 3: Cross multiply
    79,088.00x = 109,140.62 × 45,102.02
  4. Step 4: Simplify right side
    79,088.00x = 4,922,461,654.84
  5. Step 5: Solve for x
    x = 4,922,461,654.84/79,088.00
  6. Step 6: Final answer
    x = 62,240.31

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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.