Home / 86,688.27-130,050.23-39,280.59

Finding the Fourth Proportional to 86,688.27, 130,050.23 and 39,280.59

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Solution

The fourth proportional to 86,688.27, 130,050.23 and 39,280.59 is: 58,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,688.27 : 130,050.23 = 39,280.59 : x
  2. Step 2: Convert to fraction form
    86,688.27/130,050.23 = 39,280.59/x
  3. Step 3: Cross multiply
    86,688.27x = 130,050.23 × 39,280.59
  4. Step 4: Simplify right side
    86,688.27x = 5,108,449,567.63
  5. Step 5: Solve for x
    x = 5,108,449,567.63/86,688.27
  6. Step 6: Final answer
    x = 58,928.96

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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.