Home / 84,697.02-126,934.76-34,718.60

Finding the Fourth Proportional to 84,697.02, 126,934.76 and 34,718.60

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Solution

The fourth proportional to 84,697.02, 126,934.76 and 34,718.60 is: 52,032.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,697.02 : 126,934.76 = 34,718.60 : x
  2. Step 2: Convert to fraction form
    84,697.02/126,934.76 = 34,718.60/x
  3. Step 3: Cross multiply
    84,697.02x = 126,934.76 × 34,718.60
  4. Step 4: Simplify right side
    84,697.02x = 4,406,997,158.54
  5. Step 5: Solve for x
    x = 4,406,997,158.54/84,697.02
  6. Step 6: Final answer
    x = 52,032.49

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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.