Home / 56,355.16-77,771.57-30,862.93

Finding the Fourth Proportional to 56,355.16, 77,771.57 and 30,862.93

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Solution

The fourth proportional to 56,355.16, 77,771.57 and 30,862.93 is: 42,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,355.16 : 77,771.57 = 30,862.93 : x
  2. Step 2: Convert to fraction form
    56,355.16/77,771.57 = 30,862.93/x
  3. Step 3: Cross multiply
    56,355.16x = 77,771.57 × 30,862.93
  4. Step 4: Simplify right side
    56,355.16x = 2,400,258,695.27
  5. Step 5: Solve for x
    x = 2,400,258,695.27/56,355.16
  6. Step 6: Final answer
    x = 42,591.64

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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.