Home / 57,070.01-78,708.28-34,404.03

Finding the Fourth Proportional to 57,070.01, 78,708.28 and 34,404.03

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Solution

The fourth proportional to 57,070.01, 78,708.28 and 34,404.03 is: 47,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,070.01 : 78,708.28 = 34,404.03 : x
  2. Step 2: Convert to fraction form
    57,070.01/78,708.28 = 34,404.03/x
  3. Step 3: Cross multiply
    57,070.01x = 78,708.28 × 34,404.03
  4. Step 4: Simplify right side
    57,070.01x = 2,707,881,990.94
  5. Step 5: Solve for x
    x = 2,707,881,990.94/57,070.01
  6. Step 6: Final answer
    x = 47,448.43

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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.