Home / 112,774.00-169,108.02-65,402.55

Finding the Fourth Proportional to 112,774.00, 169,108.02 and 65,402.55

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Solution

The fourth proportional to 112,774.00, 169,108.02 and 65,402.55 is: 98,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,774.00 : 169,108.02 = 65,402.55 : x
  2. Step 2: Convert to fraction form
    112,774.00/169,108.02 = 65,402.55/x
  3. Step 3: Cross multiply
    112,774.00x = 169,108.02 × 65,402.55
  4. Step 4: Simplify right side
    112,774.00x = 11,060,095,733.45
  5. Step 5: Solve for x
    x = 11,060,095,733.45/112,774.00
  6. Step 6: Final answer
    x = 98,073.10

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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.