Home / 74,325.80-102,567.48-40,332.80

Finding the Fourth Proportional to 74,325.80, 102,567.48 and 40,332.80

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Solution

The fourth proportional to 74,325.80, 102,567.48 and 40,332.80 is: 55,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,325.80 : 102,567.48 = 40,332.80 : x
  2. Step 2: Convert to fraction form
    74,325.80/102,567.48 = 40,332.80/x
  3. Step 3: Cross multiply
    74,325.80x = 102,567.48 × 40,332.80
  4. Step 4: Simplify right side
    74,325.80x = 4,136,833,657.34
  5. Step 5: Solve for x
    x = 4,136,833,657.34/74,325.80
  6. Step 6: Final answer
    x = 55,658.11

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1.5x scale

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.