Home / 112,875.74-155,773.29-67,544.93

Finding the Fourth Proportional to 112,875.74, 155,773.29 and 67,544.93

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Solution

The fourth proportional to 112,875.74, 155,773.29 and 67,544.93 is: 93,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,875.74 : 155,773.29 = 67,544.93 : x
  2. Step 2: Convert to fraction form
    112,875.74/155,773.29 = 67,544.93/x
  3. Step 3: Cross multiply
    112,875.74x = 155,773.29 × 67,544.93
  4. Step 4: Simplify right side
    112,875.74x = 10,521,695,231.41
  5. Step 5: Solve for x
    x = 10,521,695,231.41/112,875.74
  6. Step 6: Final answer
    x = 93,214.85

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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.