Home / 53,117.16-79,668.01-15,675.40

Finding the Fourth Proportional to 53,117.16, 79,668.01 and 15,675.40

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Solution

The fourth proportional to 53,117.16, 79,668.01 and 15,675.40 is: 23,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.16 : 79,668.01 = 15,675.40 : x
  2. Step 2: Convert to fraction form
    53,117.16/79,668.01 = 15,675.40/x
  3. Step 3: Cross multiply
    53,117.16x = 79,668.01 × 15,675.40
  4. Step 4: Simplify right side
    53,117.16x = 1,248,827,923.95
  5. Step 5: Solve for x
    x = 1,248,827,923.95/53,117.16
  6. Step 6: Final answer
    x = 23,510.82

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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.