Home / 92,949.69-128,270.14-52,663.36

Finding the Fourth Proportional to 92,949.69, 128,270.14 and 52,663.36

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Solution

The fourth proportional to 92,949.69, 128,270.14 and 52,663.36 is: 72,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,949.69 : 128,270.14 = 52,663.36 : x
  2. Step 2: Convert to fraction form
    92,949.69/128,270.14 = 52,663.36/x
  3. Step 3: Cross multiply
    92,949.69x = 128,270.14 × 52,663.36
  4. Step 4: Simplify right side
    92,949.69x = 6,755,136,560.07
  5. Step 5: Solve for x
    x = 6,755,136,560.07/92,949.69
  6. Step 6: Final answer
    x = 72,675.19

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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.