Home / 61,875.40-92,814.56-15,128.68

Finding the Fourth Proportional to 61,875.40, 92,814.56 and 15,128.68

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Solution

The fourth proportional to 61,875.40, 92,814.56 and 15,128.68 is: 22,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,875.40 : 92,814.56 = 15,128.68 : x
  2. Step 2: Convert to fraction form
    61,875.40/92,814.56 = 15,128.68/x
  3. Step 3: Cross multiply
    61,875.40x = 92,814.56 × 15,128.68
  4. Step 4: Simplify right side
    61,875.40x = 1,404,161,777.58
  5. Step 5: Solve for x
    x = 1,404,161,777.58/61,875.40
  6. Step 6: Final answer
    x = 22,693.38

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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.