Home / 67,205.64-92,712.75-40,301.49

Finding the Fourth Proportional to 67,205.64, 92,712.75 and 40,301.49

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Solution

The fourth proportional to 67,205.64, 92,712.75 and 40,301.49 is: 55,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,205.64 : 92,712.75 = 40,301.49 : x
  2. Step 2: Convert to fraction form
    67,205.64/92,712.75 = 40,301.49/x
  3. Step 3: Cross multiply
    67,205.64x = 92,712.75 × 40,301.49
  4. Step 4: Simplify right side
    67,205.64x = 3,736,461,967.00
  5. Step 5: Solve for x
    x = 3,736,461,967.00/67,205.64
  6. Step 6: Final answer
    x = 55,597.45

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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.