Home / 67,903.10-93,717.54-39,608.84

Finding the Fourth Proportional to 67,903.10, 93,717.54 and 39,608.84

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Solution

The fourth proportional to 67,903.10, 93,717.54 and 39,608.84 is: 54,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,903.10 : 93,717.54 = 39,608.84 : x
  2. Step 2: Convert to fraction form
    67,903.10/93,717.54 = 39,608.84/x
  3. Step 3: Cross multiply
    67,903.10x = 93,717.54 × 39,608.84
  4. Step 4: Simplify right side
    67,903.10x = 3,712,043,047.05
  5. Step 5: Solve for x
    x = 3,712,043,047.05/67,903.10
  6. Step 6: Final answer
    x = 54,666.77

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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.