Home / 92,858.96-128,145.38-50,417.50

Finding the Fourth Proportional to 92,858.96, 128,145.38 and 50,417.50

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Solution

The fourth proportional to 92,858.96, 128,145.38 and 50,417.50 is: 69,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,858.96 : 128,145.38 = 50,417.50 : x
  2. Step 2: Convert to fraction form
    92,858.96/128,145.38 = 50,417.50/x
  3. Step 3: Cross multiply
    92,858.96x = 128,145.38 × 50,417.50
  4. Step 4: Simplify right side
    92,858.96x = 6,460,769,123.70
  5. Step 5: Solve for x
    x = 6,460,769,123.70/92,858.96
  6. Step 6: Final answer
    x = 69,576.16

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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.