Home / 71,288.24-98,373.69-39,455.24

Finding the Fourth Proportional to 71,288.24, 98,373.69 and 39,455.24

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Solution

The fourth proportional to 71,288.24, 98,373.69 and 39,455.24 is: 54,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,288.24 : 98,373.69 = 39,455.24 : x
  2. Step 2: Convert to fraction form
    71,288.24/98,373.69 = 39,455.24/x
  3. Step 3: Cross multiply
    71,288.24x = 98,373.69 × 39,455.24
  4. Step 4: Simplify right side
    71,288.24x = 3,881,357,056.77
  5. Step 5: Solve for x
    x = 3,881,357,056.77/71,288.24
  6. Step 6: Final answer
    x = 54,445.97

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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.