Home / 93,317.69-128,778.41-53,031.53

Finding the Fourth Proportional to 93,317.69, 128,778.41 and 53,031.53

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Solution

The fourth proportional to 93,317.69, 128,778.41 and 53,031.53 is: 73,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,317.69 : 128,778.41 = 53,031.53 : x
  2. Step 2: Convert to fraction form
    93,317.69/128,778.41 = 53,031.53/x
  3. Step 3: Cross multiply
    93,317.69x = 128,778.41 × 53,031.53
  4. Step 4: Simplify right side
    93,317.69x = 6,829,315,204.22
  5. Step 5: Solve for x
    x = 6,829,315,204.22/93,317.69
  6. Step 6: Final answer
    x = 73,183.50

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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.