Home / 99,328.04-137,077.62-61,614.44

Finding the Fourth Proportional to 99,328.04, 137,077.62 and 61,614.44

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Solution

The fourth proportional to 99,328.04, 137,077.62 and 61,614.44 is: 85,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,328.04 : 137,077.62 = 61,614.44 : x
  2. Step 2: Convert to fraction form
    99,328.04/137,077.62 = 61,614.44/x
  3. Step 3: Cross multiply
    99,328.04x = 137,077.62 × 61,614.44
  4. Step 4: Simplify right side
    99,328.04x = 8,445,960,792.83
  5. Step 5: Solve for x
    x = 8,445,960,792.83/99,328.04
  6. Step 6: Final answer
    x = 85,030.98

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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.