Home / 55,437.64-76,492.62-31,558.02

Finding the Fourth Proportional to 55,437.64, 76,492.62 and 31,558.02

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Solution

The fourth proportional to 55,437.64, 76,492.62 and 31,558.02 is: 43,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.64 : 76,492.62 = 31,558.02 : x
  2. Step 2: Convert to fraction form
    55,437.64/76,492.62 = 31,558.02/x
  3. Step 3: Cross multiply
    55,437.64x = 76,492.62 × 31,558.02
  4. Step 4: Simplify right side
    55,437.64x = 2,413,955,631.81
  5. Step 5: Solve for x
    x = 2,413,955,631.81/55,437.64
  6. Step 6: Final answer
    x = 43,543.62

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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.