Home / 66,913.83-92,376.95-51,679.22

Finding the Fourth Proportional to 66,913.83, 92,376.95 and 51,679.22

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Solution

The fourth proportional to 66,913.83, 92,376.95 and 51,679.22 is: 71,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913.83 : 92,376.95 = 51,679.22 : x
  2. Step 2: Convert to fraction form
    66,913.83/92,376.95 = 51,679.22/x
  3. Step 3: Cross multiply
    66,913.83x = 92,376.95 × 51,679.22
  4. Step 4: Simplify right side
    66,913.83x = 4,773,968,721.98
  5. Step 5: Solve for x
    x = 4,773,968,721.98/66,913.83
  6. Step 6: Final answer
    x = 71,345.02

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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.