Home / 77,541.60-116,313.01-42,462.12

Finding the Fourth Proportional to 77,541.60, 116,313.01 and 42,462.12

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Solution

The fourth proportional to 77,541.60, 116,313.01 and 42,462.12 is: 63,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,541.60 : 116,313.01 = 42,462.12 : x
  2. Step 2: Convert to fraction form
    77,541.60/116,313.01 = 42,462.12/x
  3. Step 3: Cross multiply
    77,541.60x = 116,313.01 × 42,462.12
  4. Step 4: Simplify right side
    77,541.60x = 4,938,897,557.05
  5. Step 5: Solve for x
    x = 4,938,897,557.05/77,541.60
  6. Step 6: Final answer
    x = 63,693.52

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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.