Home / 105,595.08-145,717.47-57,847.98

Finding the Fourth Proportional to 105,595.08, 145,717.47 and 57,847.98

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Solution

The fourth proportional to 105,595.08, 145,717.47 and 57,847.98 is: 79,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,595.08 : 145,717.47 = 57,847.98 : x
  2. Step 2: Convert to fraction form
    105,595.08/145,717.47 = 57,847.98/x
  3. Step 3: Cross multiply
    105,595.08x = 145,717.47 × 57,847.98
  4. Step 4: Simplify right side
    105,595.08x = 8,429,461,290.21
  5. Step 5: Solve for x
    x = 8,429,461,290.21/105,595.08
  6. Step 6: Final answer
    x = 79,828.16

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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.