Home / 72,312.20-108,533.10-62,462.60

Finding the Fourth Proportional to 72,312.20, 108,533.10 and 62,462.60

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Solution

The fourth proportional to 72,312.20, 108,533.10 and 62,462.60 is: 93,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,312.20 : 108,533.10 = 62,462.60 : x
  2. Step 2: Convert to fraction form
    72,312.20/108,533.10 = 62,462.60/x
  3. Step 3: Cross multiply
    72,312.20x = 108,533.10 × 62,462.60
  4. Step 4: Simplify right side
    72,312.20x = 6,779,259,612.06
  5. Step 5: Solve for x
    x = 6,779,259,612.06/72,312.20
  6. Step 6: Final answer
    x = 93,749.87

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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.