Home / 70,646.12-105,979.02-23,886.44

Finding the Fourth Proportional to 70,646.12, 105,979.02 and 23,886.44

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Solution

The fourth proportional to 70,646.12, 105,979.02 and 23,886.44 is: 35,832.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,646.12 : 105,979.02 = 23,886.44 : x
  2. Step 2: Convert to fraction form
    70,646.12/105,979.02 = 23,886.44/x
  3. Step 3: Cross multiply
    70,646.12x = 105,979.02 × 23,886.44
  4. Step 4: Simplify right side
    70,646.12x = 2,531,461,502.49
  5. Step 5: Solve for x
    x = 2,531,461,502.49/70,646.12
  6. Step 6: Final answer
    x = 35,832.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.