Home / 86,875.81-119,886.28-49,149.25

Finding the Fourth Proportional to 86,875.81, 119,886.28 and 49,149.25

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Solution

The fourth proportional to 86,875.81, 119,886.28 and 49,149.25 is: 67,824.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,875.81 : 119,886.28 = 49,149.25 : x
  2. Step 2: Convert to fraction form
    86,875.81/119,886.28 = 49,149.25/x
  3. Step 3: Cross multiply
    86,875.81x = 119,886.28 × 49,149.25
  4. Step 4: Simplify right side
    86,875.81x = 5,892,320,747.29
  5. Step 5: Solve for x
    x = 5,892,320,747.29/86,875.81
  6. Step 6: Final answer
    x = 67,824.64

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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.