Home / 93,404.47-128,885.16-53,113.77

Finding the Fourth Proportional to 93,404.47, 128,885.16 and 53,113.77

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Solution

The fourth proportional to 93,404.47, 128,885.16 and 53,113.77 is: 73,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,404.47 : 128,885.16 = 53,113.77 : x
  2. Step 2: Convert to fraction form
    93,404.47/128,885.16 = 53,113.77/x
  3. Step 3: Cross multiply
    93,404.47x = 128,885.16 × 53,113.77
  4. Step 4: Simplify right side
    93,404.47x = 6,845,576,479.08
  5. Step 5: Solve for x
    x = 6,845,576,479.08/93,404.47
  6. Step 6: Final answer
    x = 73,289.60

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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.