Home / 99,443.04-137,248.44-63,631.32

Finding the Fourth Proportional to 99,443.04, 137,248.44 and 63,631.32

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Solution

The fourth proportional to 99,443.04, 137,248.44 and 63,631.32 is: 87,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,443.04 : 137,248.44 = 63,631.32 : x
  2. Step 2: Convert to fraction form
    99,443.04/137,248.44 = 63,631.32/x
  3. Step 3: Cross multiply
    99,443.04x = 137,248.44 × 63,631.32
  4. Step 4: Simplify right side
    99,443.04x = 8,733,299,405.14
  5. Step 5: Solve for x
    x = 8,733,299,405.14/99,443.04
  6. Step 6: Final answer
    x = 87,822.13

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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.