Home / 86,624.28-119,551.86-52,638.30

Finding the Fourth Proportional to 86,624.28, 119,551.86 and 52,638.30

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Solution

The fourth proportional to 86,624.28, 119,551.86 and 52,638.30 is: 72,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,624.28 : 119,551.86 = 52,638.30 : x
  2. Step 2: Convert to fraction form
    86,624.28/119,551.86 = 52,638.30/x
  3. Step 3: Cross multiply
    86,624.28x = 119,551.86 × 52,638.30
  4. Step 4: Simplify right side
    86,624.28x = 6,293,006,672.24
  5. Step 5: Solve for x
    x = 6,293,006,672.24/86,624.28
  6. Step 6: Final answer
    x = 72,647.15

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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.