Home / 84,534.51-116,657.78-45,772.77

Finding the Fourth Proportional to 84,534.51, 116,657.78 and 45,772.77

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Solution

The fourth proportional to 84,534.51, 116,657.78 and 45,772.77 is: 63,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,534.51 : 116,657.78 = 45,772.77 : x
  2. Step 2: Convert to fraction form
    84,534.51/116,657.78 = 45,772.77/x
  3. Step 3: Cross multiply
    84,534.51x = 116,657.78 × 45,772.77
  4. Step 4: Simplify right side
    84,534.51x = 5,339,749,503.79
  5. Step 5: Solve for x
    x = 5,339,749,503.79/84,534.51
  6. Step 6: Final answer
    x = 63,166.50

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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.