Home / 67,142.54-92,656.58-38,471.51

Finding the Fourth Proportional to 67,142.54, 92,656.58 and 38,471.51

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Solution

The fourth proportional to 67,142.54, 92,656.58 and 38,471.51 is: 53,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,142.54 : 92,656.58 = 38,471.51 : x
  2. Step 2: Convert to fraction form
    67,142.54/92,656.58 = 38,471.51/x
  3. Step 3: Cross multiply
    67,142.54x = 92,656.58 × 38,471.51
  4. Step 4: Simplify right side
    67,142.54x = 3,564,637,888.40
  5. Step 5: Solve for x
    x = 3,564,637,888.40/67,142.54
  6. Step 6: Final answer
    x = 53,090.61

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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.