Home / 96,570.72-133,275.79-54,137.45

Finding the Fourth Proportional to 96,570.72, 133,275.79 and 54,137.45

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Solution

The fourth proportional to 96,570.72, 133,275.79 and 54,137.45 is: 74,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,570.72 : 133,275.79 = 54,137.45 : x
  2. Step 2: Convert to fraction form
    96,570.72/133,275.79 = 54,137.45/x
  3. Step 3: Cross multiply
    96,570.72x = 133,275.79 × 54,137.45
  4. Step 4: Simplify right side
    96,570.72x = 7,215,211,417.34
  5. Step 5: Solve for x
    x = 7,215,211,417.34/96,570.72
  6. Step 6: Final answer
    x = 74,714.28

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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.