Home / 104,030.48-143,561.70-56,283.86

Finding the Fourth Proportional to 104,030.48, 143,561.70 and 56,283.86

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Solution

The fourth proportional to 104,030.48, 143,561.70 and 56,283.86 is: 77,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,030.48 : 143,561.70 = 56,283.86 : x
  2. Step 2: Convert to fraction form
    104,030.48/143,561.70 = 56,283.86/x
  3. Step 3: Cross multiply
    104,030.48x = 143,561.70 × 56,283.86
  4. Step 4: Simplify right side
    104,030.48x = 8,080,206,624.16
  5. Step 5: Solve for x
    x = 8,080,206,624.16/104,030.48
  6. Step 6: Final answer
    x = 77,671.53

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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.