Home / 112,323.53-155,006.74-61,336.36

Finding the Fourth Proportional to 112,323.53, 155,006.74 and 61,336.36

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Solution

The fourth proportional to 112,323.53, 155,006.74 and 61,336.36 is: 84,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,323.53 : 155,006.74 = 61,336.36 : x
  2. Step 2: Convert to fraction form
    112,323.53/155,006.74 = 61,336.36/x
  3. Step 3: Cross multiply
    112,323.53x = 155,006.74 × 61,336.36
  4. Step 4: Simplify right side
    112,323.53x = 9,507,549,207.07
  5. Step 5: Solve for x
    x = 9,507,549,207.07/112,323.53
  6. Step 6: Final answer
    x = 84,644.32

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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.