Home / 72,715.60-100,365.34-44,444.98

Finding the Fourth Proportional to 72,715.60, 100,365.34 and 44,444.98

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Solution

The fourth proportional to 72,715.60, 100,365.34 and 44,444.98 is: 61,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,715.60 : 100,365.34 = 44,444.98 : x
  2. Step 2: Convert to fraction form
    72,715.60/100,365.34 = 44,444.98/x
  3. Step 3: Cross multiply
    72,715.60x = 100,365.34 × 44,444.98
  4. Step 4: Simplify right side
    72,715.60x = 4,460,735,528.99
  5. Step 5: Solve for x
    x = 4,460,735,528.99/72,715.60
  6. Step 6: Final answer
    x = 61,344.96

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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.