Home / 63,856.68-88,111.67-38,706.18

Finding the Fourth Proportional to 63,856.68, 88,111.67 and 38,706.18

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Solution

The fourth proportional to 63,856.68, 88,111.67 and 38,706.18 is: 53,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,856.68 : 88,111.67 = 38,706.18 : x
  2. Step 2: Convert to fraction form
    63,856.68/88,111.67 = 38,706.18/x
  3. Step 3: Cross multiply
    63,856.68x = 88,111.67 × 38,706.18
  4. Step 4: Simplify right side
    63,856.68x = 3,410,465,635.17
  5. Step 5: Solve for x
    x = 3,410,465,635.17/63,856.68
  6. Step 6: Final answer
    x = 53,408.13

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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.