Home / 84,969.19-117,263.20-56,239.35

Finding the Fourth Proportional to 84,969.19, 117,263.20 and 56,239.35

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Solution

The fourth proportional to 84,969.19, 117,263.20 and 56,239.35 is: 77,614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,969.19 : 117,263.20 = 56,239.35 : x
  2. Step 2: Convert to fraction form
    84,969.19/117,263.20 = 56,239.35/x
  3. Step 3: Cross multiply
    84,969.19x = 117,263.20 × 56,239.35
  4. Step 4: Simplify right side
    84,969.19x = 6,594,806,146.92
  5. Step 5: Solve for x
    x = 6,594,806,146.92/84,969.19
  6. Step 6: Final answer
    x = 77,614.09

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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.