Home / 112,555.88-155,328.14-61,567.60

Finding the Fourth Proportional to 112,555.88, 155,328.14 and 61,567.60

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Solution

The fourth proportional to 112,555.88, 155,328.14 and 61,567.60 is: 84,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,555.88 : 155,328.14 = 61,567.60 : x
  2. Step 2: Convert to fraction form
    112,555.88/155,328.14 = 61,567.60/x
  3. Step 3: Cross multiply
    112,555.88x = 155,328.14 × 61,567.60
  4. Step 4: Simplify right side
    112,555.88x = 9,563,180,792.26
  5. Step 5: Solve for x
    x = 9,563,180,792.26/112,555.88
  6. Step 6: Final answer
    x = 84,963.85

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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.