Home / 46,070.72-69,074.02-20,411.12

Finding the Fourth Proportional to 46,070.72, 69,074.02 and 20,411.12

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Solution

The fourth proportional to 46,070.72, 69,074.02 and 20,411.12 is: 30,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,070.72 : 69,074.02 = 20,411.12 : x
  2. Step 2: Convert to fraction form
    46,070.72/69,074.02 = 20,411.12/x
  3. Step 3: Cross multiply
    46,070.72x = 69,074.02 × 20,411.12
  4. Step 4: Simplify right side
    46,070.72x = 1,409,877,805.95
  5. Step 5: Solve for x
    x = 1,409,877,805.95/46,070.72
  6. Step 6: Final answer
    x = 30,602.47

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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.