Home / 58,345.40-87,496.50-45,889.64

Finding the Fourth Proportional to 58,345.40, 87,496.50 and 45,889.64

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Solution

The fourth proportional to 58,345.40, 87,496.50 and 45,889.64 is: 68,817.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,345.40 : 87,496.50 = 45,889.64 : x
  2. Step 2: Convert to fraction form
    58,345.40/87,496.50 = 45,889.64/x
  3. Step 3: Cross multiply
    58,345.40x = 87,496.50 × 45,889.64
  4. Step 4: Simplify right side
    58,345.40x = 4,015,182,886.26
  5. Step 5: Solve for x
    x = 4,015,182,886.26/58,345.40
  6. Step 6: Final answer
    x = 68,817.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.