Home / 112,974.52-155,840.08-70,459.24

Finding the Fourth Proportional to 112,974.52, 155,840.08 and 70,459.24

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Solution

The fourth proportional to 112,974.52, 155,840.08 and 70,459.24 is: 97,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,974.52 : 155,840.08 = 70,459.24 : x
  2. Step 2: Convert to fraction form
    112,974.52/155,840.08 = 70,459.24/x
  3. Step 3: Cross multiply
    112,974.52x = 155,840.08 × 70,459.24
  4. Step 4: Simplify right side
    112,974.52x = 10,980,373,598.34
  5. Step 5: Solve for x
    x = 10,980,373,598.34/112,974.52
  6. Step 6: Final answer
    x = 97,193.36

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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.