Home / 125,389.08-173,041.92-68,802.48

Finding the Fourth Proportional to 125,389.08, 173,041.92 and 68,802.48

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Solution

The fourth proportional to 125,389.08, 173,041.92 and 68,802.48 is: 94,950.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,389.08 : 173,041.92 = 68,802.48 : x
  2. Step 2: Convert to fraction form
    125,389.08/173,041.92 = 68,802.48/x
  3. Step 3: Cross multiply
    125,389.08x = 173,041.92 × 68,802.48
  4. Step 4: Simplify right side
    125,389.08x = 11,905,713,239.96
  5. Step 5: Solve for x
    x = 11,905,713,239.96/125,389.08
  6. Step 6: Final answer
    x = 94,950.16

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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.