Home / 79,038.48-109,076.13-45,052.32

Finding the Fourth Proportional to 79,038.48, 109,076.13 and 45,052.32

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Solution

The fourth proportional to 79,038.48, 109,076.13 and 45,052.32 is: 62,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,038.48 : 109,076.13 = 45,052.32 : x
  2. Step 2: Convert to fraction form
    79,038.48/109,076.13 = 45,052.32/x
  3. Step 3: Cross multiply
    79,038.48x = 109,076.13 × 45,052.32
  4. Step 4: Simplify right side
    79,038.48x = 4,914,132,713.12
  5. Step 5: Solve for x
    x = 4,914,132,713.12/79,038.48
  6. Step 6: Final answer
    x = 62,173.93

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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.