Home / 83,435.94-115,124.34-47,637.60

Finding the Fourth Proportional to 83,435.94, 115,124.34 and 47,637.60

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Solution

The fourth proportional to 83,435.94, 115,124.34 and 47,637.60 is: 65,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,435.94 : 115,124.34 = 47,637.60 : x
  2. Step 2: Convert to fraction form
    83,435.94/115,124.34 = 47,637.60/x
  3. Step 3: Cross multiply
    83,435.94x = 115,124.34 × 47,637.60
  4. Step 4: Simplify right side
    83,435.94x = 5,484,247,259.18
  5. Step 5: Solve for x
    x = 5,484,247,259.18/83,435.94
  6. Step 6: Final answer
    x = 65,730.04

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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.