Home / 56,970.40-85,261.20-52,304.80

Finding the Fourth Proportional to 56,970.40, 85,261.20 and 52,304.80

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Solution

The fourth proportional to 56,970.40, 85,261.20 and 52,304.80 is: 78,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,970.40 : 85,261.20 = 52,304.80 : x
  2. Step 2: Convert to fraction form
    56,970.40/85,261.20 = 52,304.80/x
  3. Step 3: Cross multiply
    56,970.40x = 85,261.20 × 52,304.80
  4. Step 4: Simplify right side
    56,970.40x = 4,459,570,013.76
  5. Step 5: Solve for x
    x = 4,459,570,013.76/56,970.40
  6. Step 6: Final answer
    x = 78,278.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.