Home / 79,450.34-109,642.12-43,641.16

Finding the Fourth Proportional to 79,450.34, 109,642.12 and 43,641.16

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Solution

The fourth proportional to 79,450.34, 109,642.12 and 43,641.16 is: 60,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,450.34 : 109,642.12 = 43,641.16 : x
  2. Step 2: Convert to fraction form
    79,450.34/109,642.12 = 43,641.16/x
  3. Step 3: Cross multiply
    79,450.34x = 109,642.12 × 43,641.16
  4. Step 4: Simplify right side
    79,450.34x = 4,784,908,918.45
  5. Step 5: Solve for x
    x = 4,784,908,918.45/79,450.34
  6. Step 6: Final answer
    x = 60,225.16

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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.