Home / 92,999.18-128,348.91-52,708.62

Finding the Fourth Proportional to 92,999.18, 128,348.91 and 52,708.62

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Solution

The fourth proportional to 92,999.18, 128,348.91 and 52,708.62 is: 72,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,999.18 : 128,348.91 = 52,708.62 : x
  2. Step 2: Convert to fraction form
    92,999.18/128,348.91 = 52,708.62/x
  3. Step 3: Cross multiply
    92,999.18x = 128,348.91 × 52,708.62
  4. Step 4: Simplify right side
    92,999.18x = 6,765,094,405.91
  5. Step 5: Solve for x
    x = 6,765,094,405.91/92,999.18
  6. Step 6: Final answer
    x = 72,743.59

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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.