Home / 74,731.02-112,125.69-43,124.39

Finding the Fourth Proportional to 74,731.02, 112,125.69 and 43,124.39

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Solution

The fourth proportional to 74,731.02, 112,125.69 and 43,124.39 is: 64,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,731.02 : 112,125.69 = 43,124.39 : x
  2. Step 2: Convert to fraction form
    74,731.02/112,125.69 = 43,124.39/x
  3. Step 3: Cross multiply
    74,731.02x = 112,125.69 × 43,124.39
  4. Step 4: Simplify right side
    74,731.02x = 4,835,351,423.95
  5. Step 5: Solve for x
    x = 4,835,351,423.95/74,731.02
  6. Step 6: Final answer
    x = 64,703.40

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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.