Home / 70,369.48-97,085.79-40,133.07

Finding the Fourth Proportional to 70,369.48, 97,085.79 and 40,133.07

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Solution

The fourth proportional to 70,369.48, 97,085.79 and 40,133.07 is: 55,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,369.48 : 97,085.79 = 40,133.07 : x
  2. Step 2: Convert to fraction form
    70,369.48/97,085.79 = 40,133.07/x
  3. Step 3: Cross multiply
    70,369.48x = 97,085.79 × 40,133.07
  4. Step 4: Simplify right side
    70,369.48x = 3,896,350,806.08
  5. Step 5: Solve for x
    x = 3,896,350,806.08/70,369.48
  6. Step 6: Final answer
    x = 55,369.89

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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.