Home / 70,130.07-105,195.06-17,539.52

Finding the Fourth Proportional to 70,130.07, 105,195.06 and 17,539.52

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Solution

The fourth proportional to 70,130.07, 105,195.06 and 17,539.52 is: 26,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,130.07 : 105,195.06 = 17,539.52 : x
  2. Step 2: Convert to fraction form
    70,130.07/105,195.06 = 17,539.52/x
  3. Step 3: Cross multiply
    70,130.07x = 105,195.06 × 17,539.52
  4. Step 4: Simplify right side
    70,130.07x = 1,845,070,332.80
  5. Step 5: Solve for x
    x = 1,845,070,332.80/70,130.07
  6. Step 6: Final answer
    x = 26,309.26

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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.