Home / 112,617.48-155,407.46-61,628.93

Finding the Fourth Proportional to 112,617.48, 155,407.46 and 61,628.93

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Solution

The fourth proportional to 112,617.48, 155,407.46 and 61,628.93 is: 85,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,617.48 : 155,407.46 = 61,628.93 : x
  2. Step 2: Convert to fraction form
    112,617.48/155,407.46 = 61,628.93/x
  3. Step 3: Cross multiply
    112,617.48x = 155,407.46 × 61,628.93
  4. Step 4: Simplify right side
    112,617.48x = 9,577,595,318.08
  5. Step 5: Solve for x
    x = 9,577,595,318.08/112,617.48
  6. Step 6: Final answer
    x = 85,045.37

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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.