Home / 97,390.52-134,401.26-57,130.04

Finding the Fourth Proportional to 97,390.52, 134,401.26 and 57,130.04

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Solution

The fourth proportional to 97,390.52, 134,401.26 and 57,130.04 is: 78,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,390.52 : 134,401.26 = 57,130.04 : x
  2. Step 2: Convert to fraction form
    97,390.52/134,401.26 = 57,130.04/x
  3. Step 3: Cross multiply
    97,390.52x = 134,401.26 × 57,130.04
  4. Step 4: Simplify right side
    97,390.52x = 7,678,349,359.85
  5. Step 5: Solve for x
    x = 7,678,349,359.85/97,390.52
  6. Step 6: Final answer
    x = 78,840.83

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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.