Home / 95,312.16-142,969.26-28,752.86

Finding the Fourth Proportional to 95,312.16, 142,969.26 and 28,752.86

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Solution

The fourth proportional to 95,312.16, 142,969.26 and 28,752.86 is: 43,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,312.16 : 142,969.26 = 28,752.86 : x
  2. Step 2: Convert to fraction form
    95,312.16/142,969.26 = 28,752.86/x
  3. Step 3: Cross multiply
    95,312.16x = 142,969.26 × 28,752.86
  4. Step 4: Simplify right side
    95,312.16x = 4,110,775,474.51
  5. Step 5: Solve for x
    x = 4,110,775,474.51/95,312.16
  6. Step 6: Final answer
    x = 43,129.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.