Home / 58,733.21-81,051.15-31,875.74

Finding the Fourth Proportional to 58,733.21, 81,051.15 and 31,875.74

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Solution

The fourth proportional to 58,733.21, 81,051.15 and 31,875.74 is: 43,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,733.21 : 81,051.15 = 31,875.74 : x
  2. Step 2: Convert to fraction form
    58,733.21/81,051.15 = 31,875.74/x
  3. Step 3: Cross multiply
    58,733.21x = 81,051.15 × 31,875.74
  4. Step 4: Simplify right side
    58,733.21x = 2,583,564,978.85
  5. Step 5: Solve for x
    x = 2,583,564,978.85/58,733.21
  6. Step 6: Final answer
    x = 43,988.14

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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.