Home / 89,530.65-134,574.89-56,463.21

Finding the Fourth Proportional to 89,530.65, 134,574.89 and 56,463.21

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Solution

The fourth proportional to 89,530.65, 134,574.89 and 56,463.21 is: 84,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,530.65 : 134,574.89 = 56,463.21 : x
  2. Step 2: Convert to fraction form
    89,530.65/134,574.89 = 56,463.21/x
  3. Step 3: Cross multiply
    89,530.65x = 134,574.89 × 56,463.21
  4. Step 4: Simplify right side
    89,530.65x = 7,598,529,992.48
  5. Step 5: Solve for x
    x = 7,598,529,992.48/89,530.65
  6. Step 6: Final answer
    x = 84,870.71

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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.