Home / 124,990.41-172,486.66-70,554.04

Finding the Fourth Proportional to 124,990.41, 172,486.66 and 70,554.04

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Solution

The fourth proportional to 124,990.41, 172,486.66 and 70,554.04 is: 97,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,990.41 : 172,486.66 = 70,554.04 : x
  2. Step 2: Convert to fraction form
    124,990.41/172,486.66 = 70,554.04/x
  3. Step 3: Cross multiply
    124,990.41x = 172,486.66 × 70,554.04
  4. Step 4: Simplify right side
    124,990.41x = 12,169,630,356.34
  5. Step 5: Solve for x
    x = 12,169,630,356.34/124,990.41
  6. Step 6: Final answer
    x = 97,364.51

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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.