Home / 97,558.08-134,627.40-57,271.20

Finding the Fourth Proportional to 97,558.08, 134,627.40 and 57,271.20

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Solution

The fourth proportional to 97,558.08, 134,627.40 and 57,271.20 is: 79,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,558.08 : 134,627.40 = 57,271.20 : x
  2. Step 2: Convert to fraction form
    97,558.08/134,627.40 = 57,271.20/x
  3. Step 3: Cross multiply
    97,558.08x = 134,627.40 × 57,271.20
  4. Step 4: Simplify right side
    97,558.08x = 7,710,272,750.88
  5. Step 5: Solve for x
    x = 7,710,272,750.88/97,558.08
  6. Step 6: Final answer
    x = 79,032.64

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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.