Home / 93,294.18-128,742.15-50,851.78

Finding the Fourth Proportional to 93,294.18, 128,742.15 and 50,851.78

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Solution

The fourth proportional to 93,294.18, 128,742.15 and 50,851.78 is: 70,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.18 : 128,742.15 = 50,851.78 : x
  2. Step 2: Convert to fraction form
    93,294.18/128,742.15 = 50,851.78/x
  3. Step 3: Cross multiply
    93,294.18x = 128,742.15 × 50,851.78
  4. Step 4: Simplify right side
    93,294.18x = 6,546,767,488.53
  5. Step 5: Solve for x
    x = 6,546,767,488.53/93,294.18
  6. Step 6: Final answer
    x = 70,173.38

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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.