Home / 96,890.16-133,714.08-53,870.56

Finding the Fourth Proportional to 96,890.16, 133,714.08 and 53,870.56

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Solution

The fourth proportional to 96,890.16, 133,714.08 and 53,870.56 is: 74,344.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,890.16 : 133,714.08 = 53,870.56 : x
  2. Step 2: Convert to fraction form
    96,890.16/133,714.08 = 53,870.56/x
  3. Step 3: Cross multiply
    96,890.16x = 133,714.08 × 53,870.56
  4. Step 4: Simplify right side
    96,890.16x = 7,203,252,369.48
  5. Step 5: Solve for x
    x = 7,203,252,369.48/96,890.16
  6. Step 6: Final answer
    x = 74,344.52

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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.