Home / 64,831.07-89,475.66-37,984.30

Finding the Fourth Proportional to 64,831.07, 89,475.66 and 37,984.30

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Solution

The fourth proportional to 64,831.07, 89,475.66 and 37,984.30 is: 52,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,831.07 : 89,475.66 = 37,984.30 : x
  2. Step 2: Convert to fraction form
    64,831.07/89,475.66 = 37,984.30/x
  3. Step 3: Cross multiply
    64,831.07x = 89,475.66 × 37,984.30
  4. Step 4: Simplify right side
    64,831.07x = 3,398,670,088.45
  5. Step 5: Solve for x
    x = 3,398,670,088.45/64,831.07
  6. Step 6: Final answer
    x = 52,423.47

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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.