Home / 97,263.61-134,257.28-56,990.41

Finding the Fourth Proportional to 97,263.61, 134,257.28 and 56,990.41

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Solution

The fourth proportional to 97,263.61, 134,257.28 and 56,990.41 is: 78,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,263.61 : 134,257.28 = 56,990.41 : x
  2. Step 2: Convert to fraction form
    97,263.61/134,257.28 = 56,990.41/x
  3. Step 3: Cross multiply
    97,263.61x = 134,257.28 × 56,990.41
  4. Step 4: Simplify right side
    97,263.61x = 7,651,376,812.09
  5. Step 5: Solve for x
    x = 7,651,376,812.09/97,263.61
  6. Step 6: Final answer
    x = 78,666.39

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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.