Home / 97,438.32-145,968.96-59,887.76

Finding the Fourth Proportional to 97,438.32, 145,968.96 and 59,887.76

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Solution

The fourth proportional to 97,438.32, 145,968.96 and 59,887.76 is: 89,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,438.32 : 145,968.96 = 59,887.76 : x
  2. Step 2: Convert to fraction form
    97,438.32/145,968.96 = 59,887.76/x
  3. Step 3: Cross multiply
    97,438.32x = 145,968.96 × 59,887.76
  4. Step 4: Simplify right side
    97,438.32x = 8,741,754,043.93
  5. Step 5: Solve for x
    x = 8,741,754,043.93/97,438.32
  6. Step 6: Final answer
    x = 89,715.77

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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.