Home / 55,475.26-76,547.01-31,602.40

Finding the Fourth Proportional to 55,475.26, 76,547.01 and 31,602.40

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Solution

The fourth proportional to 55,475.26, 76,547.01 and 31,602.40 is: 43,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,475.26 : 76,547.01 = 31,602.40 : x
  2. Step 2: Convert to fraction form
    55,475.26/76,547.01 = 31,602.40/x
  3. Step 3: Cross multiply
    55,475.26x = 76,547.01 × 31,602.40
  4. Step 4: Simplify right side
    55,475.26x = 2,419,069,228.82
  5. Step 5: Solve for x
    x = 2,419,069,228.82/55,475.26
  6. Step 6: Final answer
    x = 43,606.27

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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.