Home / 74,280.24-102,500.64-40,746.24

Finding the Fourth Proportional to 74,280.24, 102,500.64 and 40,746.24

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Solution

The fourth proportional to 74,280.24, 102,500.64 and 40,746.24 is: 56,226.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,280.24 : 102,500.64 = 40,746.24 : x
  2. Step 2: Convert to fraction form
    74,280.24/102,500.64 = 40,746.24/x
  3. Step 3: Cross multiply
    74,280.24x = 102,500.64 × 40,746.24
  4. Step 4: Simplify right side
    74,280.24x = 4,176,515,677.59
  5. Step 5: Solve for x
    x = 4,176,515,677.59/74,280.24
  6. Step 6: Final answer
    x = 56,226.47

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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.