Home / 83,289.23-124,878.48-45,866.93

Finding the Fourth Proportional to 83,289.23, 124,878.48 and 45,866.93

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Solution

The fourth proportional to 83,289.23, 124,878.48 and 45,866.93 is: 68,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,289.23 : 124,878.48 = 45,866.93 : x
  2. Step 2: Convert to fraction form
    83,289.23/124,878.48 = 45,866.93/x
  3. Step 3: Cross multiply
    83,289.23x = 124,878.48 × 45,866.93
  4. Step 4: Simplify right side
    83,289.23x = 5,727,792,500.67
  5. Step 5: Solve for x
    x = 5,727,792,500.67/83,289.23
  6. Step 6: Final answer
    x = 68,769.91

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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.