Home / 86,837.36-119,803.72-52,831.92

Finding the Fourth Proportional to 86,837.36, 119,803.72 and 52,831.92

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Solution

The fourth proportional to 86,837.36, 119,803.72 and 52,831.92 is: 72,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,837.36 : 119,803.72 = 52,831.92 : x
  2. Step 2: Convert to fraction form
    86,837.36/119,803.72 = 52,831.92/x
  3. Step 3: Cross multiply
    86,837.36x = 119,803.72 × 52,831.92
  4. Step 4: Simplify right side
    86,837.36x = 6,329,460,550.74
  5. Step 5: Solve for x
    x = 6,329,460,550.74/86,837.36
  6. Step 6: Final answer
    x = 72,888.68

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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.