Home / 122,700.87-184,053.62-38,459.16

Finding the Fourth Proportional to 122,700.87, 184,053.62 and 38,459.16

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Solution

The fourth proportional to 122,700.87, 184,053.62 and 38,459.16 is: 57,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,700.87 : 184,053.62 = 38,459.16 : x
  2. Step 2: Convert to fraction form
    122,700.87/184,053.62 = 38,459.16/x
  3. Step 3: Cross multiply
    122,700.87x = 184,053.62 × 38,459.16
  4. Step 4: Simplify right side
    122,700.87x = 7,078,547,427.86
  5. Step 5: Solve for x
    x = 7,078,547,427.86/122,700.87
  6. Step 6: Final answer
    x = 57,689.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.