Home / 85,527.02-128,278.47-29,366.24

Finding the Fourth Proportional to 85,527.02, 128,278.47 and 29,366.24

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Solution

The fourth proportional to 85,527.02, 128,278.47 and 29,366.24 is: 44,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,527.02 : 128,278.47 = 29,366.24 : x
  2. Step 2: Convert to fraction form
    85,527.02/128,278.47 = 29,366.24/x
  3. Step 3: Cross multiply
    85,527.02x = 128,278.47 × 29,366.24
  4. Step 4: Simplify right side
    85,527.02x = 3,767,056,336.85
  5. Step 5: Solve for x
    x = 3,767,056,336.85/85,527.02
  6. Step 6: Final answer
    x = 44,045.22

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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.