Home / 76,437.49-114,660.21-23,128.10

Finding the Fourth Proportional to 76,437.49, 114,660.21 and 23,128.10

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Solution

The fourth proportional to 76,437.49, 114,660.21 and 23,128.10 is: 34,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,437.49 : 114,660.21 = 23,128.10 : x
  2. Step 2: Convert to fraction form
    76,437.49/114,660.21 = 23,128.10/x
  3. Step 3: Cross multiply
    76,437.49x = 114,660.21 × 23,128.10
  4. Step 4: Simplify right side
    76,437.49x = 2,651,872,802.90
  5. Step 5: Solve for x
    x = 2,651,872,802.90/76,437.49
  6. Step 6: Final answer
    x = 34,693.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.