Home / 92,838.69-128,117.27-50,397.23

Finding the Fourth Proportional to 92,838.69, 128,117.27 and 50,397.23

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Solution

The fourth proportional to 92,838.69, 128,117.27 and 50,397.23 is: 69,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,838.69 : 128,117.27 = 50,397.23 : x
  2. Step 2: Convert to fraction form
    92,838.69/128,117.27 = 50,397.23/x
  3. Step 3: Cross multiply
    92,838.69x = 128,117.27 × 50,397.23
  4. Step 4: Simplify right side
    92,838.69x = 6,456,754,630.59
  5. Step 5: Solve for x
    x = 6,456,754,630.59/92,838.69
  6. Step 6: Final answer
    x = 69,548.10

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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.