Home / 93,983.86-129,697.74-51,543.28

Finding the Fourth Proportional to 93,983.86, 129,697.74 and 51,543.28

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Solution

The fourth proportional to 93,983.86, 129,697.74 and 51,543.28 is: 71,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,983.86 : 129,697.74 = 51,543.28 : x
  2. Step 2: Convert to fraction form
    93,983.86/129,697.74 = 51,543.28/x
  3. Step 3: Cross multiply
    93,983.86x = 129,697.74 × 51,543.28
  4. Step 4: Simplify right side
    93,983.86x = 6,685,046,928.19
  5. Step 5: Solve for x
    x = 6,685,046,928.19/93,983.86
  6. Step 6: Final answer
    x = 71,129.73

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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.