Home / 61,386.08-92,079.12-40,604.72

Finding the Fourth Proportional to 61,386.08, 92,079.12 and 40,604.72

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Solution

The fourth proportional to 61,386.08, 92,079.12 and 40,604.72 is: 60,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,386.08 : 92,079.12 = 40,604.72 : x
  2. Step 2: Convert to fraction form
    61,386.08/92,079.12 = 40,604.72/x
  3. Step 3: Cross multiply
    61,386.08x = 92,079.12 × 40,604.72
  4. Step 4: Simplify right side
    61,386.08x = 3,738,846,885.45
  5. Step 5: Solve for x
    x = 3,738,846,885.45/61,386.08
  6. Step 6: Final answer
    x = 60,907.08

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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.