Home / 91,858.86-126,756.09-56,057.67

Finding the Fourth Proportional to 91,858.86, 126,756.09 and 56,057.67

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Solution

The fourth proportional to 91,858.86, 126,756.09 and 56,057.67 is: 77,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858.86 : 126,756.09 = 56,057.67 : x
  2. Step 2: Convert to fraction form
    91,858.86/126,756.09 = 56,057.67/x
  3. Step 3: Cross multiply
    91,858.86x = 126,756.09 × 56,057.67
  4. Step 4: Simplify right side
    91,858.86x = 7,105,651,063.71
  5. Step 5: Solve for x
    x = 7,105,651,063.71/91,858.86
  6. Step 6: Final answer
    x = 77,354.01

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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.