Home / 78,040.04-116,966.48-40,050.24

Finding the Fourth Proportional to 78,040.04, 116,966.48 and 40,050.24

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Solution

The fourth proportional to 78,040.04, 116,966.48 and 40,050.24 is: 60,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,040.04 : 116,966.48 = 40,050.24 : x
  2. Step 2: Convert to fraction form
    78,040.04/116,966.48 = 40,050.24/x
  3. Step 3: Cross multiply
    78,040.04x = 116,966.48 × 40,050.24
  4. Step 4: Simplify right side
    78,040.04x = 4,684,535,595.96
  5. Step 5: Solve for x
    x = 4,684,535,595.96/78,040.04
  6. Step 6: Final answer
    x = 60,027.33

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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.