Home / 53,116.16-79,666.52-15,674.40

Finding the Fourth Proportional to 53,116.16, 79,666.52 and 15,674.40

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Solution

The fourth proportional to 53,116.16, 79,666.52 and 15,674.40 is: 23,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,116.16 : 79,666.52 = 15,674.40 : x
  2. Step 2: Convert to fraction form
    53,116.16/79,666.52 = 15,674.40/x
  3. Step 3: Cross multiply
    53,116.16x = 79,666.52 × 15,674.40
  4. Step 4: Simplify right side
    53,116.16x = 1,248,724,822.72
  5. Step 5: Solve for x
    x = 1,248,724,822.72/53,116.16
  6. Step 6: Final answer
    x = 23,509.32

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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.