Home / 56,133.93-84,191.33-18,689.76

Finding the Fourth Proportional to 56,133.93, 84,191.33 and 18,689.76

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Solution

The fourth proportional to 56,133.93, 84,191.33 and 18,689.76 is: 28,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133.93 : 84,191.33 = 18,689.76 : x
  2. Step 2: Convert to fraction form
    56,133.93/84,191.33 = 18,689.76/x
  3. Step 3: Cross multiply
    56,133.93x = 84,191.33 × 18,689.76
  4. Step 4: Simplify right side
    56,133.93x = 1,573,515,798.51
  5. Step 5: Solve for x
    x = 1,573,515,798.51/56,133.93
  6. Step 6: Final answer
    x = 28,031.45

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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.