Home / 71,320.51-98,423.85-39,056.50

Finding the Fourth Proportional to 71,320.51, 98,423.85 and 39,056.50

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Solution

The fourth proportional to 71,320.51, 98,423.85 and 39,056.50 is: 53,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,320.51 : 98,423.85 = 39,056.50 : x
  2. Step 2: Convert to fraction form
    71,320.51/98,423.85 = 39,056.50/x
  3. Step 3: Cross multiply
    71,320.51x = 98,423.85 × 39,056.50
  4. Step 4: Simplify right side
    71,320.51x = 3,844,091,097.53
  5. Step 5: Solve for x
    x = 3,844,091,097.53/71,320.51
  6. Step 6: Final answer
    x = 53,898.82

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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.