Home / 55,032.08-75,946.08-31,158.25

Finding the Fourth Proportional to 55,032.08, 75,946.08 and 31,158.25

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Solution

The fourth proportional to 55,032.08, 75,946.08 and 31,158.25 is: 42,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,032.08 : 75,946.08 = 31,158.25 : x
  2. Step 2: Convert to fraction form
    55,032.08/75,946.08 = 31,158.25/x
  3. Step 3: Cross multiply
    55,032.08x = 75,946.08 × 31,158.25
  4. Step 4: Simplify right side
    55,032.08x = 2,366,346,567.43
  5. Step 5: Solve for x
    x = 2,366,346,567.43/55,032.08
  6. Step 6: Final answer
    x = 42,999.40

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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.