Home / 101,117.39-139,592.52-62,889.26

Finding the Fourth Proportional to 101,117.39, 139,592.52 and 62,889.26

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Solution

The fourth proportional to 101,117.39, 139,592.52 and 62,889.26 is: 86,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,117.39 : 139,592.52 = 62,889.26 : x
  2. Step 2: Convert to fraction form
    101,117.39/139,592.52 = 62,889.26/x
  3. Step 3: Cross multiply
    101,117.39x = 139,592.52 × 62,889.26
  4. Step 4: Simplify right side
    101,117.39x = 8,778,870,238.92
  5. Step 5: Solve for x
    x = 8,778,870,238.92/101,117.39
  6. Step 6: Final answer
    x = 86,818.60

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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.