Home / 78,557.46-108,353.34-48,303.18

Finding the Fourth Proportional to 78,557.46, 108,353.34 and 48,303.18

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Solution

The fourth proportional to 78,557.46, 108,353.34 and 48,303.18 is: 66,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,557.46 : 108,353.34 = 48,303.18 : x
  2. Step 2: Convert to fraction form
    78,557.46/108,353.34 = 48,303.18/x
  3. Step 3: Cross multiply
    78,557.46x = 108,353.34 × 48,303.18
  4. Step 4: Simplify right side
    78,557.46x = 5,233,810,885.62
  5. Step 5: Solve for x
    x = 5,233,810,885.62/78,557.46
  6. Step 6: Final answer
    x = 66,623.98

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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.