Home / 92,929.26-128,248.72-52,643.36

Finding the Fourth Proportional to 92,929.26, 128,248.72 and 52,643.36

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Solution

The fourth proportional to 92,929.26, 128,248.72 and 52,643.36 is: 72,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,929.26 : 128,248.72 = 52,643.36 : x
  2. Step 2: Convert to fraction form
    92,929.26/128,248.72 = 52,643.36/x
  3. Step 3: Cross multiply
    92,929.26x = 128,248.72 × 52,643.36
  4. Step 4: Simplify right side
    92,929.26x = 6,751,443,536.50
  5. Step 5: Solve for x
    x = 6,751,443,536.50/92,929.26
  6. Step 6: Final answer
    x = 72,651.43

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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.