Home / 76,853.34-106,054.26-56,702.94

Finding the Fourth Proportional to 76,853.34, 106,054.26 and 56,702.94

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Solution

The fourth proportional to 76,853.34, 106,054.26 and 56,702.94 is: 78,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,853.34 : 106,054.26 = 56,702.94 : x
  2. Step 2: Convert to fraction form
    76,853.34/106,054.26 = 56,702.94/x
  3. Step 3: Cross multiply
    76,853.34x = 106,054.26 × 56,702.94
  4. Step 4: Simplify right side
    76,853.34x = 6,013,588,341.52
  5. Step 5: Solve for x
    x = 6,013,588,341.52/76,853.34
  6. Step 6: Final answer
    x = 78,247.59

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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.