Home / 93,629.67-129,209.40-51,188.20

Finding the Fourth Proportional to 93,629.67, 129,209.40 and 51,188.20

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Solution

The fourth proportional to 93,629.67, 129,209.40 and 51,188.20 is: 70,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,629.67 : 129,209.40 = 51,188.20 : x
  2. Step 2: Convert to fraction form
    93,629.67/129,209.40 = 51,188.20/x
  3. Step 3: Cross multiply
    93,629.67x = 129,209.40 × 51,188.20
  4. Step 4: Simplify right side
    93,629.67x = 6,613,997,156.83
  5. Step 5: Solve for x
    x = 6,613,997,156.83/93,629.67
  6. Step 6: Final answer
    x = 70,639.97

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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.