Home / 99,779.04-149,624.64-37,405.80

Finding the Fourth Proportional to 99,779.04, 149,624.64 and 37,405.80

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Solution

The fourth proportional to 99,779.04, 149,624.64 and 37,405.80 is: 56,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,779.04 : 149,624.64 = 37,405.80 : x
  2. Step 2: Convert to fraction form
    99,779.04/149,624.64 = 37,405.80/x
  3. Step 3: Cross multiply
    99,779.04x = 149,624.64 × 37,405.80
  4. Step 4: Simplify right side
    99,779.04x = 5,596,829,358.91
  5. Step 5: Solve for x
    x = 5,596,829,358.91/99,779.04
  6. Step 6: Final answer
    x = 56,092.23

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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.