Home / 125,061.84-187,612.38-40,802.58

Finding the Fourth Proportional to 125,061.84, 187,612.38 and 40,802.58

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Solution

The fourth proportional to 125,061.84, 187,612.38 and 40,802.58 is: 61,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,061.84 : 187,612.38 = 40,802.58 : x
  2. Step 2: Convert to fraction form
    125,061.84/187,612.38 = 40,802.58/x
  3. Step 3: Cross multiply
    125,061.84x = 187,612.38 × 40,802.58
  4. Step 4: Simplify right side
    125,061.84x = 7,655,069,143.94
  5. Step 5: Solve for x
    x = 7,655,069,143.94/125,061.84
  6. Step 6: Final answer
    x = 61,210.27

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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.