Home / 87,752.03-121,097.81-47,465.77

Finding the Fourth Proportional to 87,752.03, 121,097.81 and 47,465.77

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Solution

The fourth proportional to 87,752.03, 121,097.81 and 47,465.77 is: 65,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,752.03 : 121,097.81 = 47,465.77 : x
  2. Step 2: Convert to fraction form
    87,752.03/121,097.81 = 47,465.77/x
  3. Step 3: Cross multiply
    87,752.03x = 121,097.81 × 47,465.77
  4. Step 4: Simplify right side
    87,752.03x = 5,748,000,796.96
  5. Step 5: Solve for x
    x = 5,748,000,796.96/87,752.03
  6. Step 6: Final answer
    x = 65,502.77

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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.