Home / 70,889.06-97,831.01-40,674.13

Finding the Fourth Proportional to 70,889.06, 97,831.01 and 40,674.13

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Solution

The fourth proportional to 70,889.06, 97,831.01 and 40,674.13 is: 56,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,889.06 : 97,831.01 = 40,674.13 : x
  2. Step 2: Convert to fraction form
    70,889.06/97,831.01 = 40,674.13/x
  3. Step 3: Cross multiply
    70,889.06x = 97,831.01 × 40,674.13
  4. Step 4: Simplify right side
    70,889.06x = 3,979,191,218.77
  5. Step 5: Solve for x
    x = 3,979,191,218.77/70,889.06
  6. Step 6: Final answer
    x = 56,132.66

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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.