Home / 93,782.61-129,420.02-51,341.15

Finding the Fourth Proportional to 93,782.61, 129,420.02 and 51,341.15

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Solution

The fourth proportional to 93,782.61, 129,420.02 and 51,341.15 is: 70,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,782.61 : 129,420.02 = 51,341.15 : x
  2. Step 2: Convert to fraction form
    93,782.61/129,420.02 = 51,341.15/x
  3. Step 3: Cross multiply
    93,782.61x = 129,420.02 × 51,341.15
  4. Step 4: Simplify right side
    93,782.61x = 6,644,571,756.02
  5. Step 5: Solve for x
    x = 6,644,571,756.02/93,782.61
  6. Step 6: Final answer
    x = 70,850.79

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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.