Home / 84,276.54-116,151.23-63,809.57

Finding the Fourth Proportional to 84,276.54, 116,151.23 and 63,809.57

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Solution

The fourth proportional to 84,276.54, 116,151.23 and 63,809.57 is: 87,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,276.54 : 116,151.23 = 63,809.57 : x
  2. Step 2: Convert to fraction form
    84,276.54/116,151.23 = 63,809.57/x
  3. Step 3: Cross multiply
    84,276.54x = 116,151.23 × 63,809.57
  4. Step 4: Simplify right side
    84,276.54x = 7,411,559,141.47
  5. Step 5: Solve for x
    x = 7,411,559,141.47/84,276.54
  6. Step 6: Final answer
    x = 87,943.32

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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.