Home / 71,179.02-98,113.95-56,047.68

Finding the Fourth Proportional to 71,179.02, 98,113.95 and 56,047.68

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Solution

The fourth proportional to 71,179.02, 98,113.95 and 56,047.68 is: 77,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,179.02 : 98,113.95 = 56,047.68 : x
  2. Step 2: Convert to fraction form
    71,179.02/98,113.95 = 56,047.68/x
  3. Step 3: Cross multiply
    71,179.02x = 98,113.95 × 56,047.68
  4. Step 4: Simplify right side
    71,179.02x = 5,499,059,273.14
  5. Step 5: Solve for x
    x = 5,499,059,273.14/71,179.02
  6. Step 6: Final answer
    x = 77,256.74

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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.