Home / 65,948.16-91,047.36-43,326.68

Finding the Fourth Proportional to 65,948.16, 91,047.36 and 43,326.68

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Solution

The fourth proportional to 65,948.16, 91,047.36 and 43,326.68 is: 59,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,948.16 : 91,047.36 = 43,326.68 : x
  2. Step 2: Convert to fraction form
    65,948.16/91,047.36 = 43,326.68/x
  3. Step 3: Cross multiply
    65,948.16x = 91,047.36 × 43,326.68
  4. Step 4: Simplify right side
    65,948.16x = 3,944,779,831.56
  5. Step 5: Solve for x
    x = 3,944,779,831.56/65,948.16
  6. Step 6: Final answer
    x = 59,816.37

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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.