Home / 98,708.02-136,216.55-53,385.95

Finding the Fourth Proportional to 98,708.02, 136,216.55 and 53,385.95

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Solution

The fourth proportional to 98,708.02, 136,216.55 and 53,385.95 is: 73,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,708.02 : 136,216.55 = 53,385.95 : x
  2. Step 2: Convert to fraction form
    98,708.02/136,216.55 = 53,385.95/x
  3. Step 3: Cross multiply
    98,708.02x = 136,216.55 × 53,385.95
  4. Step 4: Simplify right side
    98,708.02x = 7,272,050,401.48
  5. Step 5: Solve for x
    x = 7,272,050,401.48/98,708.02
  6. Step 6: Final answer
    x = 73,672.34

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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.