Home / 97,789.51-134,934.10-56,960.35

Finding the Fourth Proportional to 97,789.51, 134,934.10 and 56,960.35

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Solution

The fourth proportional to 97,789.51, 134,934.10 and 56,960.35 is: 78,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,789.51 : 134,934.10 = 56,960.35 : x
  2. Step 2: Convert to fraction form
    97,789.51/134,934.10 = 56,960.35/x
  3. Step 3: Cross multiply
    97,789.51x = 134,934.10 × 56,960.35
  4. Step 4: Simplify right side
    97,789.51x = 7,685,893,083.20
  5. Step 5: Solve for x
    x = 7,685,893,083.20/97,789.51
  6. Step 6: Final answer
    x = 78,596.30

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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.