Home / 79,495.35-109,588.03-55,547.70

Finding the Fourth Proportional to 79,495.35, 109,588.03 and 55,547.70

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Solution

The fourth proportional to 79,495.35, 109,588.03 and 55,547.70 is: 76,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,495.35 : 109,588.03 = 55,547.70 : x
  2. Step 2: Convert to fraction form
    79,495.35/109,588.03 = 55,547.70/x
  3. Step 3: Cross multiply
    79,495.35x = 109,588.03 × 55,547.70
  4. Step 4: Simplify right side
    79,495.35x = 6,087,363,014.03
  5. Step 5: Solve for x
    x = 6,087,363,014.03/79,495.35
  6. Step 6: Final answer
    x = 76,575.08

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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.