Home / 102,553.81-141,484.80-64,246.69

Finding the Fourth Proportional to 102,553.81, 141,484.80 and 64,246.69

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Solution

The fourth proportional to 102,553.81, 141,484.80 and 64,246.69 is: 88,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,553.81 : 141,484.80 = 64,246.69 : x
  2. Step 2: Convert to fraction form
    102,553.81/141,484.80 = 64,246.69/x
  3. Step 3: Cross multiply
    102,553.81x = 141,484.80 × 64,246.69
  4. Step 4: Simplify right side
    102,553.81x = 9,089,930,085.31
  5. Step 5: Solve for x
    x = 9,089,930,085.31/102,553.81
  6. Step 6: Final answer
    x = 88,635.71

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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.