Home / 92,330.76-127,418.94-56,520.12

Finding the Fourth Proportional to 92,330.76, 127,418.94 and 56,520.12

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Solution

The fourth proportional to 92,330.76, 127,418.94 and 56,520.12 is: 77,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,330.76 : 127,418.94 = 56,520.12 : x
  2. Step 2: Convert to fraction form
    92,330.76/127,418.94 = 56,520.12/x
  3. Step 3: Cross multiply
    92,330.76x = 127,418.94 × 56,520.12
  4. Step 4: Simplify right side
    92,330.76x = 7,201,733,779.07
  5. Step 5: Solve for x
    x = 7,201,733,779.07/92,330.76
  6. Step 6: Final answer
    x = 77,999.29

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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.