Home / 76,792.07-105,981.66-42,803.66

Finding the Fourth Proportional to 76,792.07, 105,981.66 and 42,803.66

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Solution

The fourth proportional to 76,792.07, 105,981.66 and 42,803.66 is: 59,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,792.07 : 105,981.66 = 42,803.66 : x
  2. Step 2: Convert to fraction form
    76,792.07/105,981.66 = 42,803.66/x
  3. Step 3: Cross multiply
    76,792.07x = 105,981.66 × 42,803.66
  4. Step 4: Simplify right side
    76,792.07x = 4,536,402,940.88
  5. Step 5: Solve for x
    x = 4,536,402,940.88/76,792.07
  6. Step 6: Final answer
    x = 59,073.85

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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.