Home / 74,567.45-102,904.84-42,304.25

Finding the Fourth Proportional to 74,567.45, 102,904.84 and 42,304.25

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Solution

The fourth proportional to 74,567.45, 102,904.84 and 42,304.25 is: 58,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,567.45 : 102,904.84 = 42,304.25 : x
  2. Step 2: Convert to fraction form
    74,567.45/102,904.84 = 42,304.25/x
  3. Step 3: Cross multiply
    74,567.45x = 102,904.84 × 42,304.25
  4. Step 4: Simplify right side
    74,567.45x = 4,353,312,077.57
  5. Step 5: Solve for x
    x = 4,353,312,077.57/74,567.45
  6. Step 6: Final answer
    x = 58,380.86

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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.