Home / 91,848.34-137,777.65-28,677.19

Finding the Fourth Proportional to 91,848.34, 137,777.65 and 28,677.19

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Solution

The fourth proportional to 91,848.34, 137,777.65 and 28,677.19 is: 43,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,848.34 : 137,777.65 = 28,677.19 : x
  2. Step 2: Convert to fraction form
    91,848.34/137,777.65 = 28,677.19/x
  3. Step 3: Cross multiply
    91,848.34x = 137,777.65 × 28,677.19
  4. Step 4: Simplify right side
    91,848.34x = 3,951,075,648.67
  5. Step 5: Solve for x
    x = 3,951,075,648.67/91,848.34
  6. Step 6: Final answer
    x = 43,017.39

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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.