Home / 93,730.60-129,346.50-51,288.28

Finding the Fourth Proportional to 93,730.60, 129,346.50 and 51,288.28

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Solution

The fourth proportional to 93,730.60, 129,346.50 and 51,288.28 is: 70,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,730.60 : 129,346.50 = 51,288.28 : x
  2. Step 2: Convert to fraction form
    93,730.60/129,346.50 = 51,288.28/x
  3. Step 3: Cross multiply
    93,730.60x = 129,346.50 × 51,288.28
  4. Step 4: Simplify right side
    93,730.60x = 6,633,959,509.02
  5. Step 5: Solve for x
    x = 6,633,959,509.02/93,730.60
  6. Step 6: Final answer
    x = 70,776.88

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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.