Home / 92,685.04-137,835.10-89,732.60

Finding the Fourth Proportional to 92,685.04, 137,835.10 and 89,732.60

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Solution

The fourth proportional to 92,685.04, 137,835.10 and 89,732.60 is: 133,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,685.04 : 137,835.10 = 89,732.60 : x
  2. Step 2: Convert to fraction form
    92,685.04/137,835.10 = 89,732.60/x
  3. Step 3: Cross multiply
    92,685.04x = 137,835.10 × 89,732.60
  4. Step 4: Simplify right side
    92,685.04x = 12,368,301,894.26
  5. Step 5: Solve for x
    x = 12,368,301,894.26/92,685.04
  6. Step 6: Final answer
    x = 133,444.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.