Home / 84,695.02-126,931.76-34,716.60

Finding the Fourth Proportional to 84,695.02, 126,931.76 and 34,716.60

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Solution

The fourth proportional to 84,695.02, 126,931.76 and 34,716.60 is: 52,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,695.02 : 126,931.76 = 34,716.60 : x
  2. Step 2: Convert to fraction form
    84,695.02/126,931.76 = 34,716.60/x
  3. Step 3: Cross multiply
    84,695.02x = 126,931.76 × 34,716.60
  4. Step 4: Simplify right side
    84,695.02x = 4,406,639,139.22
  5. Step 5: Solve for x
    x = 4,406,639,139.22/84,695.02
  6. Step 6: Final answer
    x = 52,029.50

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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.