Home / 92,838.66-128,117.50-50,397.19

Finding the Fourth Proportional to 92,838.66, 128,117.50 and 50,397.19

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Solution

The fourth proportional to 92,838.66, 128,117.50 and 50,397.19 is: 69,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,838.66 : 128,117.50 = 50,397.19 : x
  2. Step 2: Convert to fraction form
    92,838.66/128,117.50 = 50,397.19/x
  3. Step 3: Cross multiply
    92,838.66x = 128,117.50 × 50,397.19
  4. Step 4: Simplify right side
    92,838.66x = 6,456,761,543.54
  5. Step 5: Solve for x
    x = 6,456,761,543.54/92,838.66
  6. Step 6: Final answer
    x = 69,548.20

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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.