Home / 97,875.65-146,835.35-31,319.77

Finding the Fourth Proportional to 97,875.65, 146,835.35 and 31,319.77

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Solution

The fourth proportional to 97,875.65, 146,835.35 and 31,319.77 is: 46,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,875.65 : 146,835.35 = 31,319.77 : x
  2. Step 2: Convert to fraction form
    97,875.65/146,835.35 = 31,319.77/x
  3. Step 3: Cross multiply
    97,875.65x = 146,835.35 × 31,319.77
  4. Step 4: Simplify right side
    97,875.65x = 4,598,849,233.27
  5. Step 5: Solve for x
    x = 4,598,849,233.27/97,875.65
  6. Step 6: Final answer
    x = 46,986.66

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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.