Home / 93,133.68-128,466.48-56,818.56

Finding the Fourth Proportional to 93,133.68, 128,466.48 and 56,818.56

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Solution

The fourth proportional to 93,133.68, 128,466.48 and 56,818.56 is: 78,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,133.68 : 128,466.48 = 56,818.56 : x
  2. Step 2: Convert to fraction form
    93,133.68/128,466.48 = 56,818.56/x
  3. Step 3: Cross multiply
    93,133.68x = 128,466.48 × 56,818.56
  4. Step 4: Simplify right side
    93,133.68x = 7,299,280,401.87
  5. Step 5: Solve for x
    x = 7,299,280,401.87/93,133.68
  6. Step 6: Final answer
    x = 78,374.23

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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.