Home / 76,791.95-105,973.95-42,799.49

Finding the Fourth Proportional to 76,791.95, 105,973.95 and 42,799.49

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Solution

The fourth proportional to 76,791.95, 105,973.95 and 42,799.49 is: 59,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,791.95 : 105,973.95 = 42,799.49 : x
  2. Step 2: Convert to fraction form
    76,791.95/105,973.95 = 42,799.49/x
  3. Step 3: Cross multiply
    76,791.95x = 105,973.95 × 42,799.49
  4. Step 4: Simplify right side
    76,791.95x = 4,535,631,013.29
  5. Step 5: Solve for x
    x = 4,535,631,013.29/76,791.95
  6. Step 6: Final answer
    x = 59,063.89

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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.