Home / 102,207.69-141,050.66-56,887.58

Finding the Fourth Proportional to 102,207.69, 141,050.66 and 56,887.58

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Solution

The fourth proportional to 102,207.69, 141,050.66 and 56,887.58 is: 78,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,207.69 : 141,050.66 = 56,887.58 : x
  2. Step 2: Convert to fraction form
    102,207.69/141,050.66 = 56,887.58/x
  3. Step 3: Cross multiply
    102,207.69x = 141,050.66 × 56,887.58
  4. Step 4: Simplify right side
    102,207.69x = 8,024,030,704.80
  5. Step 5: Solve for x
    x = 8,024,030,704.80/102,207.69
  6. Step 6: Final answer
    x = 78,507.11

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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.