Home / 86,428.26-119,233.86-52,423.74

Finding the Fourth Proportional to 86,428.26, 119,233.86 and 52,423.74

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Solution

The fourth proportional to 86,428.26, 119,233.86 and 52,423.74 is: 72,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,428.26 : 119,233.86 = 52,423.74 : x
  2. Step 2: Convert to fraction form
    86,428.26/119,233.86 = 52,423.74/x
  3. Step 3: Cross multiply
    86,428.26x = 119,233.86 × 52,423.74
  4. Step 4: Simplify right side
    86,428.26x = 6,250,684,875.84
  5. Step 5: Solve for x
    x = 6,250,684,875.84/86,428.26
  6. Step 6: Final answer
    x = 72,322.23

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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.