Home / 61,320.53-84,383.21-54,263.81

Finding the Fourth Proportional to 61,320.53, 84,383.21 and 54,263.81

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Solution

The fourth proportional to 61,320.53, 84,383.21 and 54,263.81 is: 74,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,320.53 : 84,383.21 = 54,263.81 : x
  2. Step 2: Convert to fraction form
    61,320.53/84,383.21 = 54,263.81/x
  3. Step 3: Cross multiply
    61,320.53x = 84,383.21 × 54,263.81
  4. Step 4: Simplify right side
    61,320.53x = 4,578,953,781.40
  5. Step 5: Solve for x
    x = 4,578,953,781.40/61,320.53
  6. Step 6: Final answer
    x = 74,672.45

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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.