Home / 91,746.51-126,600.06-51,451.98

Finding the Fourth Proportional to 91,746.51, 126,600.06 and 51,451.98

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Solution

The fourth proportional to 91,746.51, 126,600.06 and 51,451.98 is: 70,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,746.51 : 126,600.06 = 51,451.98 : x
  2. Step 2: Convert to fraction form
    91,746.51/126,600.06 = 51,451.98/x
  3. Step 3: Cross multiply
    91,746.51x = 126,600.06 × 51,451.98
  4. Step 4: Simplify right side
    91,746.51x = 6,513,823,755.12
  5. Step 5: Solve for x
    x = 6,513,823,755.12/91,746.51
  6. Step 6: Final answer
    x = 70,998.05

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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.