Home / 55,587.54-76,710.02-30,437.04

Finding the Fourth Proportional to 55,587.54, 76,710.02 and 30,437.04

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Solution

The fourth proportional to 55,587.54, 76,710.02 and 30,437.04 is: 42,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.54 : 76,710.02 = 30,437.04 : x
  2. Step 2: Convert to fraction form
    55,587.54/76,710.02 = 30,437.04/x
  3. Step 3: Cross multiply
    55,587.54x = 76,710.02 × 30,437.04
  4. Step 4: Simplify right side
    55,587.54x = 2,334,825,947.14
  5. Step 5: Solve for x
    x = 2,334,825,947.14/55,587.54
  6. Step 6: Final answer
    x = 42,002.69

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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.