Home / 76,575.51-114,885.14-55,536.57

Finding the Fourth Proportional to 76,575.51, 114,885.14 and 55,536.57

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Solution

The fourth proportional to 76,575.51, 114,885.14 and 55,536.57 is: 83,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,575.51 : 114,885.14 = 55,536.57 : x
  2. Step 2: Convert to fraction form
    76,575.51/114,885.14 = 55,536.57/x
  3. Step 3: Cross multiply
    76,575.51x = 114,885.14 × 55,536.57
  4. Step 4: Simplify right side
    76,575.51x = 6,380,326,341.89
  5. Step 5: Solve for x
    x = 6,380,326,341.89/76,575.51
  6. Step 6: Final answer
    x = 83,320.72

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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.