Home / 112,393.40-168,638.70-56,989.40

Finding the Fourth Proportional to 112,393.40, 168,638.70 and 56,989.40

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Solution

The fourth proportional to 112,393.40, 168,638.70 and 56,989.40 is: 85,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,393.40 : 168,638.70 = 56,989.40 : x
  2. Step 2: Convert to fraction form
    112,393.40/168,638.70 = 56,989.40/x
  3. Step 3: Cross multiply
    112,393.40x = 168,638.70 × 56,989.40
  4. Step 4: Simplify right side
    112,393.40x = 9,610,618,329.78
  5. Step 5: Solve for x
    x = 9,610,618,329.78/112,393.40
  6. Step 6: Final answer
    x = 85,508.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.