Home / 112,901.24-155,808.77-67,570.61

Finding the Fourth Proportional to 112,901.24, 155,808.77 and 67,570.61

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Solution

The fourth proportional to 112,901.24, 155,808.77 and 67,570.61 is: 93,250.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,901.24 : 155,808.77 = 67,570.61 : x
  2. Step 2: Convert to fraction form
    112,901.24/155,808.77 = 67,570.61/x
  3. Step 3: Cross multiply
    112,901.24x = 155,808.77 × 67,570.61
  4. Step 4: Simplify right side
    112,901.24x = 10,528,092,515.35
  5. Step 5: Solve for x
    x = 10,528,092,515.35/112,901.24
  6. Step 6: Final answer
    x = 93,250.46

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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.