Home / 79,875.18-110,325.87-59,821.65

Finding the Fourth Proportional to 79,875.18, 110,325.87 and 59,821.65

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Solution

The fourth proportional to 79,875.18, 110,325.87 and 59,821.65 is: 82,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,875.18 : 110,325.87 = 59,821.65 : x
  2. Step 2: Convert to fraction form
    79,875.18/110,325.87 = 59,821.65/x
  3. Step 3: Cross multiply
    79,875.18x = 110,325.87 × 59,821.65
  4. Step 4: Simplify right side
    79,875.18x = 6,599,875,581.09
  5. Step 5: Solve for x
    x = 6,599,875,581.09/79,875.18
  6. Step 6: Final answer
    x = 82,627.36

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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.