Home / 84,528.72-116,507.90-67,478.31

Finding the Fourth Proportional to 84,528.72, 116,507.90 and 67,478.31

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Solution

The fourth proportional to 84,528.72, 116,507.90 and 67,478.31 is: 93,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,528.72 : 116,507.90 = 67,478.31 : x
  2. Step 2: Convert to fraction form
    84,528.72/116,507.90 = 67,478.31/x
  3. Step 3: Cross multiply
    84,528.72x = 116,507.90 × 67,478.31
  4. Step 4: Simplify right side
    84,528.72x = 7,861,756,193.65
  5. Step 5: Solve for x
    x = 7,861,756,193.65/84,528.72
  6. Step 6: Final answer
    x = 93,006.92

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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.