Home / 93,489.24-129,020.40-51,051.72

Finding the Fourth Proportional to 93,489.24, 129,020.40 and 51,051.72

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Solution

The fourth proportional to 93,489.24, 129,020.40 and 51,051.72 is: 70,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,489.24 : 129,020.40 = 51,051.72 : x
  2. Step 2: Convert to fraction form
    93,489.24/129,020.40 = 51,051.72/x
  3. Step 3: Cross multiply
    93,489.24x = 129,020.40 × 51,051.72
  4. Step 4: Simplify right side
    93,489.24x = 6,586,713,335.09
  5. Step 5: Solve for x
    x = 6,586,713,335.09/93,489.24
  6. Step 6: Final answer
    x = 70,454.24

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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.