Home / 70,776.18-97,668.19-38,510.93

Finding the Fourth Proportional to 70,776.18, 97,668.19 and 38,510.93

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Solution

The fourth proportional to 70,776.18, 97,668.19 and 38,510.93 is: 53,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,776.18 : 97,668.19 = 38,510.93 : x
  2. Step 2: Convert to fraction form
    70,776.18/97,668.19 = 38,510.93/x
  3. Step 3: Cross multiply
    70,776.18x = 97,668.19 × 38,510.93
  4. Step 4: Simplify right side
    70,776.18x = 3,761,292,339.98
  5. Step 5: Solve for x
    x = 3,761,292,339.98/70,776.18
  6. Step 6: Final answer
    x = 53,143.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.