Home / 90,428.40-124,762.79-52,182.93

Finding the Fourth Proportional to 90,428.40, 124,762.79 and 52,182.93

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Solution

The fourth proportional to 90,428.40, 124,762.79 and 52,182.93 is: 71,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,428.40 : 124,762.79 = 52,182.93 : x
  2. Step 2: Convert to fraction form
    90,428.40/124,762.79 = 52,182.93/x
  3. Step 3: Cross multiply
    90,428.40x = 124,762.79 × 52,182.93
  4. Step 4: Simplify right side
    90,428.40x = 6,510,487,676.26
  5. Step 5: Solve for x
    x = 6,510,487,676.26/90,428.40
  6. Step 6: Final answer
    x = 71,996.05

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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.