Home / 67,111.04-100,666.80-25,000.40

Finding the Fourth Proportional to 67,111.04, 100,666.80 and 25,000.40

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Solution

The fourth proportional to 67,111.04, 100,666.80 and 25,000.40 is: 37,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,111.04 : 100,666.80 = 25,000.40 : x
  2. Step 2: Convert to fraction form
    67,111.04/100,666.80 = 25,000.40/x
  3. Step 3: Cross multiply
    67,111.04x = 100,666.80 × 25,000.40
  4. Step 4: Simplify right side
    67,111.04x = 2,516,710,266.72
  5. Step 5: Solve for x
    x = 2,516,710,266.72/67,111.04
  6. Step 6: Final answer
    x = 37,500.69

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1.5x scale

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.