Home / 55,931.09-77,155.83-34,673.45

Finding the Fourth Proportional to 55,931.09, 77,155.83 and 34,673.45

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Solution

The fourth proportional to 55,931.09, 77,155.83 and 34,673.45 is: 47,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,931.09 : 77,155.83 = 34,673.45 : x
  2. Step 2: Convert to fraction form
    55,931.09/77,155.83 = 34,673.45/x
  3. Step 3: Cross multiply
    55,931.09x = 77,155.83 × 34,673.45
  4. Step 4: Simplify right side
    55,931.09x = 2,675,258,427.93
  5. Step 5: Solve for x
    x = 2,675,258,427.93/55,931.09
  6. Step 6: Final answer
    x = 47,831.33

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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.