Home / 93,603.89-129,173.17-53,317.64

Finding the Fourth Proportional to 93,603.89, 129,173.17 and 53,317.64

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Solution

The fourth proportional to 93,603.89, 129,173.17 and 53,317.64 is: 73,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,603.89 : 129,173.17 = 53,317.64 : x
  2. Step 2: Convert to fraction form
    93,603.89/129,173.17 = 53,317.64/x
  3. Step 3: Cross multiply
    93,603.89x = 129,173.17 × 53,317.64
  4. Step 4: Simplify right side
    93,603.89x = 6,887,208,575.72
  5. Step 5: Solve for x
    x = 6,887,208,575.72/93,603.89
  6. Step 6: Final answer
    x = 73,578.23

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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.