Home / 84,478.96-116,580.07-45,715.93

Finding the Fourth Proportional to 84,478.96, 116,580.07 and 45,715.93

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Solution

The fourth proportional to 84,478.96, 116,580.07 and 45,715.93 is: 63,087.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,478.96 : 116,580.07 = 45,715.93 : x
  2. Step 2: Convert to fraction form
    84,478.96/116,580.07 = 45,715.93/x
  3. Step 3: Cross multiply
    84,478.96x = 116,580.07 × 45,715.93
  4. Step 4: Simplify right side
    84,478.96x = 5,329,566,319.52
  5. Step 5: Solve for x
    x = 5,329,566,319.52/84,478.96
  6. Step 6: Final answer
    x = 63,087.50

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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.