Home / 91,880.77-126,792.24-56,130.61

Finding the Fourth Proportional to 91,880.77, 126,792.24 and 56,130.61

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Solution

The fourth proportional to 91,880.77, 126,792.24 and 56,130.61 is: 77,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,880.77 : 126,792.24 = 56,130.61 : x
  2. Step 2: Convert to fraction form
    91,880.77/126,792.24 = 56,130.61/x
  3. Step 3: Cross multiply
    91,880.77x = 126,792.24 × 56,130.61
  4. Step 4: Simplify right side
    91,880.77x = 7,116,925,774.47
  5. Step 5: Solve for x
    x = 7,116,925,774.47/91,880.77
  6. Step 6: Final answer
    x = 77,458.27

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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.