Home / 77,475.48-116,200.45-72,432.01

Finding the Fourth Proportional to 77,475.48, 116,200.45 and 72,432.01

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Solution

The fourth proportional to 77,475.48, 116,200.45 and 72,432.01 is: 108,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,475.48 : 116,200.45 = 72,432.01 : x
  2. Step 2: Convert to fraction form
    77,475.48/116,200.45 = 72,432.01/x
  3. Step 3: Cross multiply
    77,475.48x = 116,200.45 × 72,432.01
  4. Step 4: Simplify right side
    77,475.48x = 8,416,632,156.40
  5. Step 5: Solve for x
    x = 8,416,632,156.40/77,475.48
  6. Step 6: Final answer
    x = 108,636.08

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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.