Home / 88,349.16-121,881.69-52,518.81

Finding the Fourth Proportional to 88,349.16, 121,881.69 and 52,518.81

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Solution

The fourth proportional to 88,349.16, 121,881.69 and 52,518.81 is: 72,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,349.16 : 121,881.69 = 52,518.81 : x
  2. Step 2: Convert to fraction form
    88,349.16/121,881.69 = 52,518.81/x
  3. Step 3: Cross multiply
    88,349.16x = 121,881.69 × 52,518.81
  4. Step 4: Simplify right side
    88,349.16x = 6,401,081,319.59
  5. Step 5: Solve for x
    x = 6,401,081,319.59/88,349.16
  6. Step 6: Final answer
    x = 72,452.09

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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.