Home / 71,320.50-98,417.43-39,492.36

Finding the Fourth Proportional to 71,320.50, 98,417.43 and 39,492.36

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Solution

The fourth proportional to 71,320.50, 98,417.43 and 39,492.36 is: 54,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,320.50 : 98,417.43 = 39,492.36 : x
  2. Step 2: Convert to fraction form
    71,320.50/98,417.43 = 39,492.36/x
  3. Step 3: Cross multiply
    71,320.50x = 98,417.43 × 39,492.36
  4. Step 4: Simplify right side
    71,320.50x = 3,886,736,575.83
  5. Step 5: Solve for x
    x = 3,886,736,575.83/71,320.50
  6. Step 6: Final answer
    x = 54,496.77

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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.