Home / 115,666.10-159,557.67-70,357.94

Finding the Fourth Proportional to 115,666.10, 159,557.67 and 70,357.94

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Solution

The fourth proportional to 115,666.10, 159,557.67 and 70,357.94 is: 97,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,666.10 : 159,557.67 = 70,357.94 : x
  2. Step 2: Convert to fraction form
    115,666.10/159,557.67 = 70,357.94/x
  3. Step 3: Cross multiply
    115,666.10x = 159,557.67 × 70,357.94
  4. Step 4: Simplify right side
    115,666.10x = 11,226,148,972.40
  5. Step 5: Solve for x
    x = 11,226,148,972.40/115,666.10
  6. Step 6: Final answer
    x = 97,056.52

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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.