Home / 86,630.40-119,549.28-48,903.36

Finding the Fourth Proportional to 86,630.40, 119,549.28 and 48,903.36

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Solution

The fourth proportional to 86,630.40, 119,549.28 and 48,903.36 is: 67,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,630.40 : 119,549.28 = 48,903.36 : x
  2. Step 2: Convert to fraction form
    86,630.40/119,549.28 = 48,903.36/x
  3. Step 3: Cross multiply
    86,630.40x = 119,549.28 × 48,903.36
  4. Step 4: Simplify right side
    86,630.40x = 5,846,361,477.58
  5. Step 5: Solve for x
    x = 5,846,361,477.58/86,630.40
  6. Step 6: Final answer
    x = 67,486.26

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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.