Home / 77,188.86-106,526.36-43,200.76

Finding the Fourth Proportional to 77,188.86, 106,526.36 and 43,200.76

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Solution

The fourth proportional to 77,188.86, 106,526.36 and 43,200.76 is: 59,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,188.86 : 106,526.36 = 43,200.76 : x
  2. Step 2: Convert to fraction form
    77,188.86/106,526.36 = 43,200.76/x
  3. Step 3: Cross multiply
    77,188.86x = 106,526.36 × 43,200.76
  4. Step 4: Simplify right side
    77,188.86x = 4,602,019,712.03
  5. Step 5: Solve for x
    x = 4,602,019,712.03/77,188.86
  6. Step 6: Final answer
    x = 59,620.26

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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.