Home / 91,730.19-126,588.72-50,895.08

Finding the Fourth Proportional to 91,730.19, 126,588.72 and 50,895.08

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Solution

The fourth proportional to 91,730.19, 126,588.72 and 50,895.08 is: 70,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,730.19 : 126,588.72 = 50,895.08 : x
  2. Step 2: Convert to fraction form
    91,730.19/126,588.72 = 50,895.08/x
  3. Step 3: Cross multiply
    91,730.19x = 126,588.72 × 50,895.08
  4. Step 4: Simplify right side
    91,730.19x = 6,442,742,144.08
  5. Step 5: Solve for x
    x = 6,442,742,144.08/91,730.19
  6. Step 6: Final answer
    x = 70,235.79

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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.