Home / 112,548.02-155,309.81-61,550.55

Finding the Fourth Proportional to 112,548.02, 155,309.81 and 61,550.55

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Solution

The fourth proportional to 112,548.02, 155,309.81 and 61,550.55 is: 84,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,548.02 : 155,309.81 = 61,550.55 : x
  2. Step 2: Convert to fraction form
    112,548.02/155,309.81 = 61,550.55/x
  3. Step 3: Cross multiply
    112,548.02x = 155,309.81 × 61,550.55
  4. Step 4: Simplify right side
    112,548.02x = 9,559,403,918.14
  5. Step 5: Solve for x
    x = 9,559,403,918.14/112,548.02
  6. Step 6: Final answer
    x = 84,936.23

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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.