Home / 125,232.02-172,823.20-68,646.50

Finding the Fourth Proportional to 125,232.02, 172,823.20 and 68,646.50

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Solution

The fourth proportional to 125,232.02, 172,823.20 and 68,646.50 is: 94,733.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,232.02 : 172,823.20 = 68,646.50 : x
  2. Step 2: Convert to fraction form
    125,232.02/172,823.20 = 68,646.50/x
  3. Step 3: Cross multiply
    125,232.02x = 172,823.20 × 68,646.50
  4. Step 4: Simplify right side
    125,232.02x = 11,863,707,798.80
  5. Step 5: Solve for x
    x = 11,863,707,798.80/125,232.02
  6. Step 6: Final answer
    x = 94,733.82

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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.