Home / 66,908.16-92,284.92-56,820.69

Finding the Fourth Proportional to 66,908.16, 92,284.92 and 56,820.69

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Solution

The fourth proportional to 66,908.16, 92,284.92 and 56,820.69 is: 78,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,908.16 : 92,284.92 = 56,820.69 : x
  2. Step 2: Convert to fraction form
    66,908.16/92,284.92 = 56,820.69/x
  3. Step 3: Cross multiply
    66,908.16x = 92,284.92 × 56,820.69
  4. Step 4: Simplify right side
    66,908.16x = 5,243,692,830.99
  5. Step 5: Solve for x
    x = 5,243,692,830.99/66,908.16
  6. Step 6: Final answer
    x = 78,371.50

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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.