Home / 60,283.20-90,424.80-57,723.60

Finding the Fourth Proportional to 60,283.20, 90,424.80 and 57,723.60

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Solution

The fourth proportional to 60,283.20, 90,424.80 and 57,723.60 is: 86,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,283.20 : 90,424.80 = 57,723.60 : x
  2. Step 2: Convert to fraction form
    60,283.20/90,424.80 = 57,723.60/x
  3. Step 3: Cross multiply
    60,283.20x = 90,424.80 × 57,723.60
  4. Step 4: Simplify right side
    60,283.20x = 5,219,644,985.28
  5. Step 5: Solve for x
    x = 5,219,644,985.28/60,283.20
  6. Step 6: Final answer
    x = 86,585.40

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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.