Home / 77,985.27-116,885.16-35,829.63

Finding the Fourth Proportional to 77,985.27, 116,885.16 and 35,829.63

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Solution

The fourth proportional to 77,985.27, 116,885.16 and 35,829.63 is: 53,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,985.27 : 116,885.16 = 35,829.63 : x
  2. Step 2: Convert to fraction form
    77,985.27/116,885.16 = 35,829.63/x
  3. Step 3: Cross multiply
    77,985.27x = 116,885.16 × 35,829.63
  4. Step 4: Simplify right side
    77,985.27x = 4,187,952,035.29
  5. Step 5: Solve for x
    x = 4,187,952,035.29/77,985.27
  6. Step 6: Final answer
    x = 53,701.83

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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.