Home / 76,209.03-105,153.53-47,898.36

Finding the Fourth Proportional to 76,209.03, 105,153.53 and 47,898.36

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Solution

The fourth proportional to 76,209.03, 105,153.53 and 47,898.36 is: 66,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,209.03 : 105,153.53 = 47,898.36 : x
  2. Step 2: Convert to fraction form
    76,209.03/105,153.53 = 47,898.36/x
  3. Step 3: Cross multiply
    76,209.03x = 105,153.53 × 47,898.36
  4. Step 4: Simplify right side
    76,209.03x = 5,036,681,395.72
  5. Step 5: Solve for x
    x = 5,036,681,395.72/76,209.03
  6. Step 6: Final answer
    x = 66,090.35

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1.5x scale

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.