Home / 91,669.44-137,389.20-49,547.76

Finding the Fourth Proportional to 91,669.44, 137,389.20 and 49,547.76

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Solution

The fourth proportional to 91,669.44, 137,389.20 and 49,547.76 is: 74,259.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,669.44 : 137,389.20 = 49,547.76 : x
  2. Step 2: Convert to fraction form
    91,669.44/137,389.20 = 49,547.76/x
  3. Step 3: Cross multiply
    91,669.44x = 137,389.20 × 49,547.76
  4. Step 4: Simplify right side
    91,669.44x = 6,807,327,108.19
  5. Step 5: Solve for x
    x = 6,807,327,108.19/91,669.44
  6. Step 6: Final answer
    x = 74,259.50

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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.