Home / 93,829.42-129,487.71-51,390.28

Finding the Fourth Proportional to 93,829.42, 129,487.71 and 51,390.28

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Solution

The fourth proportional to 93,829.42, 129,487.71 and 51,390.28 is: 70,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,829.42 : 129,487.71 = 51,390.28 : x
  2. Step 2: Convert to fraction form
    93,829.42/129,487.71 = 51,390.28/x
  3. Step 3: Cross multiply
    93,829.42x = 129,487.71 × 51,390.28
  4. Step 4: Simplify right side
    93,829.42x = 6,654,409,673.46
  5. Step 5: Solve for x
    x = 6,654,409,673.46/93,829.42
  6. Step 6: Final answer
    x = 70,920.29

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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.