Home / 53,421.16-80,109.87-23,818.75

Finding the Fourth Proportional to 53,421.16, 80,109.87 and 23,818.75

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Solution

The fourth proportional to 53,421.16, 80,109.87 and 23,818.75 is: 35,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,421.16 : 80,109.87 = 23,818.75 : x
  2. Step 2: Convert to fraction form
    53,421.16/80,109.87 = 23,818.75/x
  3. Step 3: Cross multiply
    53,421.16x = 80,109.87 × 23,818.75
  4. Step 4: Simplify right side
    53,421.16x = 1,908,116,966.06
  5. Step 5: Solve for x
    x = 1,908,116,966.06/53,421.16
  6. Step 6: Final answer
    x = 35,718.37

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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.