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Finding the Fourth Proportional to 59,703.48, 82,386.90 and 34,206.84

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Solution

The fourth proportional to 59,703.48, 82,386.90 and 34,206.84 is: 47,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,703.48 : 82,386.90 = 34,206.84 : x
  2. Step 2: Convert to fraction form
    59,703.48/82,386.90 = 34,206.84/x
  3. Step 3: Cross multiply
    59,703.48x = 82,386.90 × 34,206.84
  4. Step 4: Simplify right side
    59,703.48x = 2,818,195,506.40
  5. Step 5: Solve for x
    x = 2,818,195,506.40/59,703.48
  6. Step 6: Final answer
    x = 47,203.20

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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.