Home / 76,688.86-105,830.49-44,851.18

Finding the Fourth Proportional to 76,688.86, 105,830.49 and 44,851.18

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Solution

The fourth proportional to 76,688.86, 105,830.49 and 44,851.18 is: 61,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,688.86 : 105,830.49 = 44,851.18 : x
  2. Step 2: Convert to fraction form
    76,688.86/105,830.49 = 44,851.18/x
  3. Step 3: Cross multiply
    76,688.86x = 105,830.49 × 44,851.18
  4. Step 4: Simplify right side
    76,688.86x = 4,746,622,356.48
  5. Step 5: Solve for x
    x = 4,746,622,356.48/76,688.86
  6. Step 6: Final answer
    x = 61,894.55

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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.