Home / 70,831.94-97,748.19-39,000.94

Finding the Fourth Proportional to 70,831.94, 97,748.19 and 39,000.94

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Solution

The fourth proportional to 70,831.94, 97,748.19 and 39,000.94 is: 53,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,831.94 : 97,748.19 = 39,000.94 : x
  2. Step 2: Convert to fraction form
    70,831.94/97,748.19 = 39,000.94/x
  3. Step 3: Cross multiply
    70,831.94x = 97,748.19 × 39,000.94
  4. Step 4: Simplify right side
    70,831.94x = 3,812,271,048.93
  5. Step 5: Solve for x
    x = 3,812,271,048.93/70,831.94
  6. Step 6: Final answer
    x = 53,821.35

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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.