Home / 112,948.30-155,936.19-70,564.24

Finding the Fourth Proportional to 112,948.30, 155,936.19 and 70,564.24

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Solution

The fourth proportional to 112,948.30, 155,936.19 and 70,564.24 is: 97,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,948.30 : 155,936.19 = 70,564.24 : x
  2. Step 2: Convert to fraction form
    112,948.30/155,936.19 = 70,564.24/x
  3. Step 3: Cross multiply
    112,948.30x = 155,936.19 × 70,564.24
  4. Step 4: Simplify right side
    112,948.30x = 11,003,518,735.85
  5. Step 5: Solve for x
    x = 11,003,518,735.85/112,948.30
  6. Step 6: Final answer
    x = 97,420.84

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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.