Home / 93,919.76-129,612.48-51,478.28

Finding the Fourth Proportional to 93,919.76, 129,612.48 and 51,478.28

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Solution

The fourth proportional to 93,919.76, 129,612.48 and 51,478.28 is: 71,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,919.76 : 129,612.48 = 51,478.28 : x
  2. Step 2: Convert to fraction form
    93,919.76/129,612.48 = 51,478.28/x
  3. Step 3: Cross multiply
    93,919.76x = 129,612.48 × 51,478.28
  4. Step 4: Simplify right side
    93,919.76x = 6,672,227,536.93
  5. Step 5: Solve for x
    x = 6,672,227,536.93/93,919.76
  6. Step 6: Final answer
    x = 71,041.79

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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.