Home / 112,957.56-169,495.74-53,782.20

Finding the Fourth Proportional to 112,957.56, 169,495.74 and 53,782.20

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Solution

The fourth proportional to 112,957.56, 169,495.74 and 53,782.20 is: 80,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,957.56 : 169,495.74 = 53,782.20 : x
  2. Step 2: Convert to fraction form
    112,957.56/169,495.74 = 53,782.20/x
  3. Step 3: Cross multiply
    112,957.56x = 169,495.74 × 53,782.20
  4. Step 4: Simplify right side
    112,957.56x = 9,115,853,787.83
  5. Step 5: Solve for x
    x = 9,115,853,787.83/112,957.56
  6. Step 6: Final answer
    x = 80,701.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.