Home / 93,695.20-140,445.60-51,510.40

Finding the Fourth Proportional to 93,695.20, 140,445.60 and 51,510.40

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Solution

The fourth proportional to 93,695.20, 140,445.60 and 51,510.40 is: 77,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,695.20 : 140,445.60 = 51,510.40 : x
  2. Step 2: Convert to fraction form
    93,695.20/140,445.60 = 51,510.40/x
  3. Step 3: Cross multiply
    93,695.20x = 140,445.60 × 51,510.40
  4. Step 4: Simplify right side
    93,695.20x = 7,234,409,034.24
  5. Step 5: Solve for x
    x = 7,234,409,034.24/93,695.20
  6. Step 6: Final answer
    x = 77,212.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.