Home / 76,628.88-105,750.90-46,397.04

Finding the Fourth Proportional to 76,628.88, 105,750.90 and 46,397.04

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Solution

The fourth proportional to 76,628.88, 105,750.90 and 46,397.04 is: 64,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,628.88 : 105,750.90 = 46,397.04 : x
  2. Step 2: Convert to fraction form
    76,628.88/105,750.90 = 46,397.04/x
  3. Step 3: Cross multiply
    76,628.88x = 105,750.90 × 46,397.04
  4. Step 4: Simplify right side
    76,628.88x = 4,906,528,737.34
  5. Step 5: Solve for x
    x = 4,906,528,737.34/76,628.88
  6. Step 6: Final answer
    x = 64,029.76

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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.