Home / 84,347.76-116,304.96-57,505.92

Finding the Fourth Proportional to 84,347.76, 116,304.96 and 57,505.92

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Solution

The fourth proportional to 84,347.76, 116,304.96 and 57,505.92 is: 79,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,347.76 : 116,304.96 = 57,505.92 : x
  2. Step 2: Convert to fraction form
    84,347.76/116,304.96 = 57,505.92/x
  3. Step 3: Cross multiply
    84,347.76x = 116,304.96 × 57,505.92
  4. Step 4: Simplify right side
    84,347.76x = 6,688,223,725.36
  5. Step 5: Solve for x
    x = 6,688,223,725.36/84,347.76
  6. Step 6: Final answer
    x = 79,293.44

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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.