Home / 112,586.46-155,368.08-61,600.20

Finding the Fourth Proportional to 112,586.46, 155,368.08 and 61,600.20

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Solution

The fourth proportional to 112,586.46, 155,368.08 and 61,600.20 is: 85,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,586.46 : 155,368.08 = 61,600.20 : x
  2. Step 2: Convert to fraction form
    112,586.46/155,368.08 = 61,600.20/x
  3. Step 3: Cross multiply
    112,586.46x = 155,368.08 × 61,600.20
  4. Step 4: Simplify right side
    112,586.46x = 9,570,704,801.62
  5. Step 5: Solve for x
    x = 9,570,704,801.62/112,586.46
  6. Step 6: Final answer
    x = 85,007.60

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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.