Home / 112,681.34-155,489.58-67,350.22

Finding the Fourth Proportional to 112,681.34, 155,489.58 and 67,350.22

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Solution

The fourth proportional to 112,681.34, 155,489.58 and 67,350.22 is: 92,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,681.34 : 155,489.58 = 67,350.22 : x
  2. Step 2: Convert to fraction form
    112,681.34/155,489.58 = 67,350.22/x
  3. Step 3: Cross multiply
    112,681.34x = 155,489.58 × 67,350.22
  4. Step 4: Simplify right side
    112,681.34x = 10,472,257,420.71
  5. Step 5: Solve for x
    x = 10,472,257,420.71/112,681.34
  6. Step 6: Final answer
    x = 92,936.93

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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.