Home / 86,433.68-129,685.08-37,220.24

Finding the Fourth Proportional to 86,433.68, 129,685.08 and 37,220.24

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Solution

The fourth proportional to 86,433.68, 129,685.08 and 37,220.24 is: 55,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,433.68 : 129,685.08 = 37,220.24 : x
  2. Step 2: Convert to fraction form
    86,433.68/129,685.08 = 37,220.24/x
  3. Step 3: Cross multiply
    86,433.68x = 129,685.08 × 37,220.24
  4. Step 4: Simplify right side
    86,433.68x = 4,826,909,802.02
  5. Step 5: Solve for x
    x = 4,826,909,802.02/86,433.68
  6. Step 6: Final answer
    x = 55,845.24

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1.5x scale

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.