Home / 112,552.68-155,325.46-61,570.20

Finding the Fourth Proportional to 112,552.68, 155,325.46 and 61,570.20

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Solution

The fourth proportional to 112,552.68, 155,325.46 and 61,570.20 is: 84,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,552.68 : 155,325.46 = 61,570.20 : x
  2. Step 2: Convert to fraction form
    112,552.68/155,325.46 = 61,570.20/x
  3. Step 3: Cross multiply
    112,552.68x = 155,325.46 × 61,570.20
  4. Step 4: Simplify right side
    112,552.68x = 9,563,419,637.29
  5. Step 5: Solve for x
    x = 9,563,419,637.29/112,552.68
  6. Step 6: Final answer
    x = 84,968.39

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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.