Home / 79,315.16-109,457.98-43,506.68

Finding the Fourth Proportional to 79,315.16, 109,457.98 and 43,506.68

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Solution

The fourth proportional to 79,315.16, 109,457.98 and 43,506.68 is: 60,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,315.16 : 109,457.98 = 43,506.68 : x
  2. Step 2: Convert to fraction form
    79,315.16/109,457.98 = 43,506.68/x
  3. Step 3: Cross multiply
    79,315.16x = 109,457.98 × 43,506.68
  4. Step 4: Simplify right side
    79,315.16x = 4,762,152,653.25
  5. Step 5: Solve for x
    x = 4,762,152,653.25/79,315.16
  6. Step 6: Final answer
    x = 60,040.89

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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.