Home / 78,334.19-108,101.40-42,524.22

Finding the Fourth Proportional to 78,334.19, 108,101.40 and 42,524.22

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Solution

The fourth proportional to 78,334.19, 108,101.40 and 42,524.22 is: 58,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,334.19 : 108,101.40 = 42,524.22 : x
  2. Step 2: Convert to fraction form
    78,334.19/108,101.40 = 42,524.22/x
  3. Step 3: Cross multiply
    78,334.19x = 108,101.40 × 42,524.22
  4. Step 4: Simplify right side
    78,334.19x = 4,596,927,503.29
  5. Step 5: Solve for x
    x = 4,596,927,503.29/78,334.19
  6. Step 6: Final answer
    x = 58,683.54

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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.