Home / 93,716.11-129,325-53,442.84

Finding the Fourth Proportional to 93,716.11, 129,325 and 53,442.84

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Solution

The fourth proportional to 93,716.11, 129,325 and 53,442.84 is: 73,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,716.11 : 129,325 = 53,442.84 : x
  2. Step 2: Convert to fraction form
    93,716.11/129,325 = 53,442.84/x
  3. Step 3: Cross multiply
    93,716.11x = 129,325 × 53,442.84
  4. Step 4: Simplify right side
    93,716.11x = 6,911,495,283
  5. Step 5: Solve for x
    x = 6,911,495,283/93,716.11
  6. Step 6: Final answer
    x = 73,749.28

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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.