Home / 93,617.16-129,191.76-51,175.70

Finding the Fourth Proportional to 93,617.16, 129,191.76 and 51,175.70

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Solution

The fourth proportional to 93,617.16, 129,191.76 and 51,175.70 is: 70,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,617.16 : 129,191.76 = 51,175.70 : x
  2. Step 2: Convert to fraction form
    93,617.16/129,191.76 = 51,175.70/x
  3. Step 3: Cross multiply
    93,617.16x = 129,191.76 × 51,175.70
  4. Step 4: Simplify right side
    93,617.16x = 6,611,478,752.23
  5. Step 5: Solve for x
    x = 6,611,478,752.23/93,617.16
  6. Step 6: Final answer
    x = 70,622.51

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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.