Home / 66,858.47-92,306.64-43,026.56

Finding the Fourth Proportional to 66,858.47, 92,306.64 and 43,026.56

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Solution

The fourth proportional to 66,858.47, 92,306.64 and 43,026.56 is: 59,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,858.47 : 92,306.64 = 43,026.56 : x
  2. Step 2: Convert to fraction form
    66,858.47/92,306.64 = 43,026.56/x
  3. Step 3: Cross multiply
    66,858.47x = 92,306.64 × 43,026.56
  4. Step 4: Simplify right side
    66,858.47x = 3,971,637,184.36
  5. Step 5: Solve for x
    x = 3,971,637,184.36/66,858.47
  6. Step 6: Final answer
    x = 59,403.65

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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.