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Finding the Fourth Proportional to 92,920.73, 128,220.33 and 51,526.69

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Solution

The fourth proportional to 92,920.73, 128,220.33 and 51,526.69 is: 71,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,920.73 : 128,220.33 = 51,526.69 : x
  2. Step 2: Convert to fraction form
    92,920.73/128,220.33 = 51,526.69/x
  3. Step 3: Cross multiply
    92,920.73x = 128,220.33 × 51,526.69
  4. Step 4: Simplify right side
    92,920.73x = 6,606,768,875.06
  5. Step 5: Solve for x
    x = 6,606,768,875.06/92,920.73
  6. Step 6: Final answer
    x = 71,101.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.