Home / 62,970.50-86,890.10-35,742.35

Finding the Fourth Proportional to 62,970.50, 86,890.10 and 35,742.35

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Solution

The fourth proportional to 62,970.50, 86,890.10 and 35,742.35 is: 49,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,970.50 : 86,890.10 = 35,742.35 : x
  2. Step 2: Convert to fraction form
    62,970.50/86,890.10 = 35,742.35/x
  3. Step 3: Cross multiply
    62,970.50x = 86,890.10 × 35,742.35
  4. Step 4: Simplify right side
    62,970.50x = 3,105,655,752.57
  5. Step 5: Solve for x
    x = 3,105,655,752.57/62,970.50
  6. Step 6: Final answer
    x = 49,319.22

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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.