Home / 93,445.02-128,953.11-51,003.18

Finding the Fourth Proportional to 93,445.02, 128,953.11 and 51,003.18

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Solution

The fourth proportional to 93,445.02, 128,953.11 and 51,003.18 is: 70,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,445.02 : 128,953.11 = 51,003.18 : x
  2. Step 2: Convert to fraction form
    93,445.02/128,953.11 = 51,003.18/x
  3. Step 3: Cross multiply
    93,445.02x = 128,953.11 × 51,003.18
  4. Step 4: Simplify right side
    93,445.02x = 6,577,018,680.89
  5. Step 5: Solve for x
    x = 6,577,018,680.89/93,445.02
  6. Step 6: Final answer
    x = 70,383.83

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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.