Home / 75,693.09-113,553-31,294.97

Finding the Fourth Proportional to 75,693.09, 113,553 and 31,294.97

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Solution

The fourth proportional to 75,693.09, 113,553 and 31,294.97 is: 46,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,693.09 : 113,553 = 31,294.97 : x
  2. Step 2: Convert to fraction form
    75,693.09/113,553 = 31,294.97/x
  3. Step 3: Cross multiply
    75,693.09x = 113,553 × 31,294.97
  4. Step 4: Simplify right side
    75,693.09x = 3,553,637,728.41
  5. Step 5: Solve for x
    x = 3,553,637,728.41/75,693.09
  6. Step 6: Final answer
    x = 46,947.98

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1.5x scale

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.