Home / 91,984.24-126,914.88-56,161.18

Finding the Fourth Proportional to 91,984.24, 126,914.88 and 56,161.18

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Solution

The fourth proportional to 91,984.24, 126,914.88 and 56,161.18 is: 77,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,984.24 : 126,914.88 = 56,161.18 : x
  2. Step 2: Convert to fraction form
    91,984.24/126,914.88 = 56,161.18/x
  3. Step 3: Cross multiply
    91,984.24x = 126,914.88 × 56,161.18
  4. Step 4: Simplify right side
    91,984.24x = 7,127,689,420.36
  5. Step 5: Solve for x
    x = 7,127,689,420.36/91,984.24
  6. Step 6: Final answer
    x = 77,488.16

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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.