Home / 84,585.42-126,527.49-64,442.51

Finding the Fourth Proportional to 84,585.42, 126,527.49 and 64,442.51

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Solution

The fourth proportional to 84,585.42, 126,527.49 and 64,442.51 is: 96,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,585.42 : 126,527.49 = 64,442.51 : x
  2. Step 2: Convert to fraction form
    84,585.42/126,527.49 = 64,442.51/x
  3. Step 3: Cross multiply
    84,585.42x = 126,527.49 × 64,442.51
  4. Step 4: Simplify right side
    84,585.42x = 8,153,748,406.96
  5. Step 5: Solve for x
    x = 8,153,748,406.96/84,585.42
  6. Step 6: Final answer
    x = 96,396.62

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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.